use for the first time中文是什么意思

• 第一次使用

• use    n. 1.使用，利用，应用；使用的机会[需要]。 2.使 ...
• first    adj. 1.最初的，最早的。 2.最上等的，第一流的。 ...
• time    n. 1.时，时间，时日，岁月。 2.时候，时刻；期间； ...
• first to use    使用在先
• no first use    不首先使用
• use first    首先颜色
• first time    第1次个人创作专辑; 第一次个人创作专辑; 第一例
• first-time    adj. 初次的。
• for the first time    第一次(作状语); 第一次（做某事）; 第一次（作状语）
• the first time    第一次; 如在句尾加上
• after first use    首次使用之后装入
• first to use orinciple    使用在先权利
• first-trimester drug use    妊娠头三个月内用药
• first-use drug    首选药品
• non-first-use policy    不首先使用政策
• principle of first to use    使用在先原则
• the first time is the last time    第一茧
• make full use of time    爱惜光阴
• make use of the time and circumstances    趁时及势
• operation use time    操作时间；运算时间
• operational use time    有效工作时间; 有效时间
• time operation-use    作业使用时间
• time,operation-use    作业使用时间
• time-use survey    时间使用调查
• use time to do things    花时间干某事

• A major worldwide breakthrough in gene therapy was signalled last night after injections into the brain were used for the first time to successfully treat a degenerative brain disease
  昨晚脑部注射基因治愈脑变性疾病首获成功，这标志着全球范围内基因治疗脑疾的重大突破。
• When the url connection is used for the first time , the ssl handshake will automatically occur , authenticating the server to the client by way of the client receiving the server certificate and verifying it against the truststore
  当第一次使用url连接时， ssl握手将自动地发生，通过客户端接收服务器证书并且对照信任库验证证书的方法来认证客户端的服务器。
• The authors have made an analytical study of the theory of the above - mentioned technology and reported its effective use for the first time in the quality inspection of steel tubes of a high - pressure heater for a 600 mw power plant
  本文针对远场涡流检测技术的理论作了分析研究，并介绍首次应用在国产60万千瓦机组的高压加热器钢管的质量检验中所取得的良好效果。
• With dab ( digital audio broadcast ) ofdm was used for the first time for wireless transmission . the decision to vise ofdm for the digital video broadcasting standard dvb - t followed at the beginnings of the nineties
  数字音频广播( digitalaudiobroadcast ， dab )的出现，使得ofdm技术首次应用于无线传输系统，并于20世纪90年代，应用于欧洲的数字视频地面广播( dvb - t )标准。
• New facilities such as the barcode access control system , the electronic message system and the real - time financial information display were some of the high - tech facilities used for the first time in the history of the world bank group imf annual meetings
  多项新式设施，例如条形码入场控制系统电子讯息系统及即时金融讯息终端机，均为世界银行集团国际货币基金组织年会历来首次使用的高科技设施。
• This research is proposed to formulate a new approach that used for the first time for quantitative groundwater vulnerability assessment ( gva ) through gis programs , based on visual modflow as comparative technique ; evaluate river - aquifer interaction and assess the effect of riverbed conductance on river leakage using the natural field conditions instead of hypothetical models that used in the pervious researches
  本研究使用了一种新的地下水脆弱性评价方法? ?基于gis与可视化modflow地下水流数值模拟结果上的地下水脆弱性评价，并用数值模拟结果作为其对比技术；评价了河流与附近含水层的相互作用。
• A formula algorithm for saddle quantities is given and used for the first time . with forcing only addition , subtraction , multiplication and division to the coefficients of system ( 1 ) , the m - th quantity of singular point can be deduced and expressed directly in the coefficient of the system
  对任意正整数m ，在用计算机程序推导原点的第m个奇点量(焦点量、鞍点量)时，只需以系统右端系数为符号进行有限次加、减、乘、除的四则运算和符号推导，并且奇点量直接由原系统系数表示。
• And the deficiencies are pointed out in present researches , such as highway capacity , level - of - service , influence factor of road alignments , etc . from these , it has confirmed that the thesis should be studied from rational analysis , quantitative analysis of level - of - service , impact on capacity of road alignments , setting - up simulation model , etc . the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways , and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course . based on the experiment data , it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing , which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis . besides , the experiment methods is provided to observe overtaking ratio and to measure the
  研究中首次提出了运用高精度gps动态数据采集仪对双车道公路上的超车行为进行观测,设计了根据驾驶员感受度来衡量超车过程的实验方案,并通过后期数据处理得到了超车过程中两个重要的可接受间隙参数-可超车车头时距和可回车车头时距的临界间隙值,为定性和定量分析双车道公路通行能力提供有力的数据支持;同时,还提出了观测超车率的实验方法以及测量加速度干扰的实验方案,统一了计算加速度干扰的时间统计间隔,为双车道公路的服务水平量化研究奠定基础;最后还简单介绍了驾驶员问卷调查法和仿真程序中模型参数标定和验证的数据采集方法。