spectrum range中文是什么意思

• 光谱范围

• spectrum    n. (pl. -tra ) 1.【物理学】谱，光谱；波 ...
• range    vt. 1.排列；整理(头发等)。 2.使归类[班、行、 ...
• range spectrum    射程谱
• differential range spectrum    射程微分谱
• integral range spectrum    射程积分谱
• wide-range spectrum analyzer    宽量程频谱分析仪
• a spectrum of    连续的，连串的
• spectrum    n. (pl. -tra ) 1.【物理学】谱，光谱；波谱；能谱，质谱。 2.【无线电】射频频谱；无线电(信号)频谱。 3.【心理学】(眼睛的)余像；残像。 4.〔转义〕范围，幅度；(连续的)系列。 an absorption spectrum 吸收(光)谱。 a bright line spectrum 线状光谱。 an optical spectrum 光谱。 a solar spectrum 太阳光谱。 a wide spectrum of opinion 意见的不同幅度甚大。
• a range of    一套
• at a range    距离为
• in range    串视; 在射程内
• in range with    和...并列
• in the range of    在...范围之内
• range    vt. 1.排列；整理(头发等)。 2.使归类[班、行、队]；把…分类。 3.〔用被动形或反身形〕加入，站住…的一边 ( with against)。 4.〔古、诗〕在…徘徊，在…走来走去，到处寻找；【航海】巡逻(沿岸等)。 5.(用枪、望远镜等)对准(目标)；瞄准；(炮术)试(炮)，试(射程)。 range books on a shelf 把书排列在书架上。 range the forest for game 在森林中跑来跑去猎取猎物。 be ranged according to size 按大小顺序排列。 be ranged against 站在…的反对方向[…的一伙内]。 range oneself 1. (放荡后因结婚而)改过自新。 2. 得到固定职业。 range oneself on the side of 做…的伙伴。 range oneself with 做…的伙伴，与…做伙伴。 vi. 1.开列，进行；成直线 (with) (山脉等)相连，连绵；(动植物等)分布，蔓延，散布 (from... to) (子弹)能打到，达到。 2.加入，站在…的一边 (with against) 与…为伍 (with)。 3.徘徊，走来走去，跋涉 (in over through) 【航海】巡航。 4.(思想、研究等)到达，涉及。 5.【军事】测距，试射测距；射程为。 6.(在某范围内)变动，升降 (betweenfrom...to ...)。 range north and south 绵亘南北。 The gun ranges 3 miles. 这炮能打三英里远。 The thermometer ranges from 45° to 50°. 温度表的升降幅度是从45度到50度。 ranging fancy 动摇的爱情，水性杨花。 n. 1.(山脉、房屋等的)排列；连续；绵亘。 2.(同种物的)一批，一套，一堆。 3.方向；范围，区域；(动植物的)分布区域；生存期间；放牧区域，牧场；知识范围；音域；幅度，差度；限度，极限；【数学】变程，量程；值域；全距。 4.作用[有效]半径，距离；射程；靶子场，射击场。 5.等级，类别，种类，部类。 6.徜徉，徘徊。 7.(能同时利用余热烧水、烤面包的)多用铁灶；火格子；梯级。 8.〔美国〕公地测量中相距六英里的两子午线间的一排市镇。 a range of buildings 一排房子。 the range of politics 政界。 a high [lower] range 大[小]比例，大[小]刻度。 the range of a thermometer 温度表的(升降)幅度。 the range of one's voice 音域；声音所能达到的范围。 the effective range 有效射程。 foul the range finding (放烟幕)扰乱测距工作。 a projectile [proving, rocket] range 炮兵[军用、火箭]靶场。 a range boss 〔美国〕(在某一地段内)看守放牧牲畜的人。 a range rider 〔美国〕牧童；山村看守人。 range cattle 放牧的牲畜。 a range forecast 【商业】(棉花的)收成估计。 a range of the cable 抛锚时所必需的一定长度的锚链。 an electronic range 电子炉。 a low range of prices 低档价钱。 at long [short] range 在远距离[近距离]。 go over the range 〔美国〕死。 in range with 和…开排着；和…同一方向。 in the range of 在…范围内。 out of one's range 能力达不到的；在知识以外的，不能办到的。 out of [within] range 在射程外[内]。 within the range of 在…的射程内，…能力达得到的，…所能的。
• range with    使与...并列
• a range of a range of    一系列的东西
• absorption spectrum    吸声频谱; 吸收波谱; 吸收光谱，吸收谱; 吸收频谱; 吸收谱
• accelerated spectrum    加速频谱
• acceleration spectrum    加速度谱
• acceptor spectrum    受主光谱
• acoustic spectrum    声谱
• action spectrum    动作光谱; 活动光谱; 酌谱; 作用光谱
• aerosol spectrum    气溶胶光谱
• af spectrum    声频频谱
• afrika spectrum    非洲研究

• Near field spread spectrum range algorithm based on software radio
  基于软件无线电的近距离扩频测距算法
• The product spectrum ranges from simple carbon steel and low - alloy steels to high - quality carbon steels
  产品种类范围从简单的碳钢和低合金钢到高质量的碳钢。
• Modis has 36 observational channels , covering a wide frequency spectrum ranging from visible to infra - red radiation , making it valuable data source for a number of disciplines such as meteorology , oceanography as well as environmental monitoring
  Modis拥有36条观察频道，覆盖了从可见光至红外光的广阔频率，使它成为一些学科如气象学海洋学甚至是环境监测的宝贵数据来源。
• Modis has 36 observational channels , covering a wide frequency spectrum ranging from visible to infra - red radiation , making it valuable data source for a number of disciplines such as meteorology , oceanography as well as environmental monitoring
  Modis拥有36条观察频道，覆盖了从可见光至红外光的广阔频率，使它成为一些学科如气象学、海洋学甚至是环境监测的宝贵数据来源。
• Female courtship signal of the brown planthopper was made of many continuous regular pulses and male ' s signal was made of similar syllabics and had two types with different time domain characteristics . second male vibrational signal differed from male courtship signal with wide spectrum range and regular syllabics frequency . time domain characteristics of signals in different individuals even the same individual were different
  频域特征分析知，褐飞虱雌虫求偶呜声信号的频域特性较稳定，个体内比个体间差异小；雄虫求偶呜声信号s 、 e片段频谱范围较宽，但主振频率比较接近，差异不显著； m片段频带较窄，主振频率mvf略小于s 、 e片段，变异较小； m片段脉冲重复频率prf为幻
• Electrostatic self - assembly multiplayer ( esam ) method has advantages in preparing films and develops fast in recent years . in this work , pdda / sioa complex films and sio2 anti - reflective films were prepared by esam method , and their optical properties in the visible light spectrum range and anti - scratching performance were investigated
  本文用静电自组装( esam )法制备了聚电解质pdda与sio _ 2胶体粒子的有机无机复合光学薄膜以及sio _ 2光学增透膜，研究在可见光范围内透光性能及抗机械损坏能力等。
• According to the experimental data of droplet size 、 particle spectrum range 、 droplet cone shape 、 flow rate 、 cover area and cover area rate which obtained through changing the pressure of power sprayer and the nozzle diameter in greenhouse ， this paper made comparative analysis on atomizing performance in same pressure and different nozzle type between same nozzle type and different pressure . the conclusion is that : the ejection rate and the droplet cone shape change with the variation of pressure and nozzle diameter ， average particle diameter decreases obviously and particle quantity increases obviously with the increase of pressure and decrease of nozzle diameter . these results will lay experimental foundation for precise spraying 、 low pollution and highly effective operation
  本文根据温室内动力喷雾机压力与喷嘴孔径的变化影响雾滴大小、粒谱范围、雾锥形状、流量、覆盖面积及覆盖面积率的试验数据，对相同压力下不同喷嘴型号和相同喷嘴型号时压力不同时的微粒化性能进行对比分析和研究，得到如下结论喷出量与雾锥形状随着压力和喷嘴孔径大小变化而变化；平均粒径随着压力的增加和喷嘴孔径的减小而明显减小；粒数随着压力的增加和喷嘴孔径的减小而明显增多，为精喷量、低污染、高防效的防除作业奠定了实验基础。
• According to the current problems such as low quantum efficiency . limited available sun energy spectrum range , and inefficient recovery , resulted from the practical using of photocatalysis , using the narrowband semiconductor cds ( eg = 2 . 5ev ) to compound with tio2 seems to be an effective solution . since it will not only enlarge the region of the absorption with the proper narrow band of cds but also improve the photodegradation efficiency on account of the band overlap of the two , which makes the photo induced electron and holes separate more easily
  本文针对光催化技术应用中存在的tio _ 2光催化量子效率低，吸收利用太阳能光谱范围有限，催化剂回收困难等问题，通过窄禁带半导体cds ( e = 2 . 5ev )的复合，对纳米tio _ 2进行了改性研究，一方面，由于cds的窄禁带宽度可以扩展薄膜的光谱吸收范围，另一方面，由于能带的交叠，提高了光生电子和空穴的分离效率，从而提高了薄膜的光催化降解效率。
• Wide band - gap ii - vi materials , such as znse , znte and their alloys attract much attention due to their potential applications in light - emitting devices ( leds ) , laser diodes ( lds ) , optical bistable and optical nonlinear devices operqtynw in blue - green spectrum range for the fact that they exhibit large band gap and high exciton binding energy
  宽带-族半导体材料，尤其是znse和znte及其合金具有宽带隙、直接带跃迁、激子束缚能大等优点而作为蓝和蓝绿发光、激光以及在该波段响应的光学双稳和光学非线性的重要候选材料。
• We adopt double alkali cathodal tube 9789qb , which was made by emi corporation in england , as our photomultiplier , whose spectrum ranges between 300nm to 650nm , with less noise counters and single - photon apices , which make it suitable as a single - photon - counter . the disparted - voltage device is designed in a reasonable way and the cooling system of iquefied nitrogen which makes it small in size , simple in structure , easy in processing , cheap in cost and good in performance
  该管型的光谱范围在300 650nm ，具有暗计数少，有单光子峰的特点，适于做单光子计数器；本文的光电倍增管分压器设计合理而冷却系统采用液氮，该系统体积小、结构简单、加工便利、成本低廉且性能良好。