With such advantages as no friction , no wear , no lubrication , no pollution , long lifetime , etc , pmb can be used in many special occasions as high speed , ultra - high speed , vacuum , and so on 具有无摩擦、无磨损、无需润滑、无污染及使用寿命长等优点，适用于各种高速超高速、真空等特殊环境场合。
Two traditional methods to measure blood phenylalanine concentration , the guthire test and fluorescent colorimetry , are all time - consuming and may not be easily adopted in our medical system 国内外现有的检验手段主要有guthire氏细菌抑制法和荧光比色分析法，存在准确度不高或检验周期长等问题，不易普及。
But there are some problems in application of this type radar , such as higher cost , lower training efficiency , longer training period and harder to evaluate the training result 但是在目前， 705d型雷达在使用的过程中存在着成本高、训练效率低、培训周期较长等突出问题，所以研制了一套全仿真的雷达模拟训练系统。
The machine has advantages , such as advanced design , high output , good plasticification , iow energy consumption , involute gear transmission , iow noise , steady operation , large loading , long life and so on 本机设计先进，产量高，塑化好，能耗低，采用渐开线齿轮传动，具有噪音低、运转平稳、承载力大，寿命长等特点。
We consider the method of neural network for it having been used in this field effectively . however , single neural network has some faults such as bad stability , bad convergence and so on 神经网络方法在这方面应用较为广泛,但是对复杂的传感器系统,单一神经网络会出现稳定性差、收敛性差、网络训练时间长等问题。
The intermediate magnesium - clad slag guard wire is produced through advanced process of non - cement pouring featuring corrosion resistance , high temperature resistance , good heating stability and long service life etc 中间包镁质档渣堰采用无水泥浇注的先进工艺，具有耐侵蚀、耐高温、热震稳定性好、使用寿命长等特点。
Due to applying mechanical - electric - pneumatic three - in - one design , zxyxc features uniform plasticizing , quick cutting , high yield , easy operation , stable operation speed , and a high level of durability 由于采用了机-电-气一体化设计，使该机组具有塑化均匀，剪切速率快，产量高，操作方便，运行速度稳定，使用寿命长等特点. .
Super capacitor , which possesses the features of high specific power , fast charge and discharge rate and long cycle life and so on , is becoming to be one important field of the ev in recent years 超级电容器因其具有比功率高、充电速度快以及循环使用寿命长等特点,成为近年来电动车动力系统开发中备受关注的储能设备之一。
Division governor shall have served at least six ( 6 ) consecutive months as a member of a district council ( e . g . , club president , vice president education , area governor , district secretary , district treasurer ) 分部总监必须曾任会员大会代表,连续至少6个月,包括分会会长、教育副-会长、分区总监、地区总会秘书长、地区总会财务长等) 。
In addition to the most common large amount of menstrual bleeding , and other symptoms long time , if no significant incentives in frequency , nocturia more or constipation , also want to check whether suffering from fibroids 除了最常见的月经量大、出血时间长等症状，如果无明显诱因出现尿频、夜尿多或便秘等，也要去检查是否患了肌瘤。
