Tides and ocean currents, which remain constant, have no effect on the correction for vehicle speed changes . 保持不变的潮泛和海流对校正运动体速度的改变没有影响。
One approach consists of varying only the total flow thereby maintaining the same thrust chamber hardware . 有一种方法是仅改变推进剂总流量，而推力室结构保持不变。
A vibration period tends to decrease or remain constant as energy is lost, as is the case for a pendulum . 在损失能量时，振动周期倾向于减小或保持不变，如同单摆那样。
It confirms other evidence that the earth's surface temperature has remained approximately constant during this period . 它证实了另一个现象，在此期间，地球表面的温度几乎保持不变。
The counter has the ability to switch from one mode to the other without altering the number contained in the counter . 这种计数器能从一种方式转换为另一种方式，但计数器中的数字保持不变。
Generally the geometry of the electrode configuration is kept uniform while the position is changed laterally along a profile . 当沿着剖面线改变排列的横向位置时，电极的几何结构一般都保持不变的。
Nevertheless, low and simple forms will long endure if well fitted for their simple conditions of life . 不过，低等的、简单的生物，如果和它们的简单的生活条件密切适合，却也可以在长时期内保持不变。
The load was applied and held constant by a screw-type machine to insure that the displacement printout could be paired with a known load . 载荷用螺旋式机械施加并保持不变，以保证打印出的位移能够和已知载荷相适应。
Object remains unchanged and no exception is thrown 对象保持不变且不引发异常。
Web site address and e - mail address are unchanged 网址和电子邮箱地址保持不变。
