恒定

The crank and connecting rod mechanism, the cam mechanism and the eccentric wheel mechanism are used to transform the continuous movements into the reciprocal movements, yet these mechanisms have no constant transmission ratio and there exist rather large impact force while operating at high speed.

曲柄连杆机构、凸轮机构和偏心轮机构常用来将连续运动转化为往复运动，但这些机构没有恒定的传动比，高速运转时存在较大的冲击力。

This paper refines the design of former simulator which is investigated and fabricated by our team, makes it as the solar simulator, and finishes the hardware and software design of a solar cell string tester, adopting the high speed DAQ system which is controlled by a industrial computer and making MOSFET as the electronic load, testing electric performance of strings rapidly.

本文中对课题组自行研制的恒定光强脉冲氙灯进行了改进，采用程控多个脉冲氙灯结构，配合反光装置，使得光辐照均匀度得到了较好的改善，并将其作为测试系统的太阳模拟器；采用高速数据采集系统和MOSFET构成的有源电子负载，研制了一种太阳电池串测试系统，对太阳电池串的电性能进行快速测试。

With a constant cross-section of the single-port ring, installed in the ring ditch as Collar or the roller bearing cage maintained.

具有恒定截面的单口环，装在环形沟里作为挡圈将滚子或保持架保持在轴承内。

2The density of human teeth is approximately among 1.20-1.40+103kg/m3. The density of crown is higher than that of root with significant difference.

人类牙的密度值恒定在一定范围之内，约在1.20～1.40×10~3kg／m~3之间，且牙冠密度值明显大于牙根密度值。

Because the steel surface is uneven and there is steel slag, the distance of cutting machine torch from the steel surface is inconstant.

因为钢板表面不平整和切割过程中钢渣的堆积，所以加工过程中割炬与钢板之间的距离是不恒定的。

On the other hand, the external ACMF increased the quantity and directionality of carbon particles, so the quantity and crystallization degree of MWCNTs in cathode depositions. When ACMF and catalyst were adopted at the same time, new cylinder-shaped structures were found in the cathode depositions.

对液体中电弧施加纵向恒定磁场，可以使向阴极表面运动的碳粒子数量增多、定向性增强，从而大大提高阴极沉积物中多壁碳纳米管的数量和晶化程度。

It is found that the changes resulted from the inclination of the moving mirror consists of three parts: the stationary OPD due to the optical beam deflection,the offset OPD due to the different ray in the direction perpendicular to the optical axis,and the offset from the center of the deflected beam to the optical axis.

结果表明，光束偏转带来的误差分为三部分：光束偏转导致整体增加的恒定光程差，垂直光轴方向因不同光线而引入的偏移光程差以及偏转光束中心相对于光轴的偏移量。

Maintaining engine operating at constant load and varying the argon fraction in the intake charge, the influence of argon fraction in the intake charge on the performance of a closed cycle diesel engine was studied.

恒定柴油机负载，改变混合进气中氩气的含量，分析了进气混合气中氢气含量对闭式循环柴油机性能的影响。

Different non-directional cell migration,but migration of cells in the same direction is constant.

不同的细胞有不定向的迁移，但同一个细胞的迁移的方向是恒定的。

An instrument in which a mirror is automatically moved so that it reflects sunlight in a constant direction.

定日镜一种仪器，装有一面会自动调控的镜子，以便不断朝某一恒定方向反射日光。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新