1·Easy to change speed by gears.
易于改变齿轮的速度。
2·Gears help them change speed — like on a bicycle.
齿轮帮助他们改变速度——像自行车一样。
3·If an organization need survive, their learning speed must be faster or equal to change speed.
一个组织如果想生存，其学习的速度必须大于或等于变化的速度。
4·Because of production and technical reasons, the textile machines often change speed in working process.
在纺织生产过程中，由于生产和工艺的原因，需要经常改变机器的生产速度。
5·With the compressor in part, motor load can change speed, with gas and still maintain a high efficiency;
当空压机处于部分负载时，电机能随气量改变转速，并仍保持高的效率；
6·This expression is based on the idea that a machine or vehicle will change speed when you change the gears.
这个表达出自于机器或者齿轮会由于齿轮的改变而改变速度的原理。
7·Gears help them change speed — like on a bicycle. Switch gears. So is this a biking expression? Let's listen.
齿轮帮助他们改变速度——像自行车一样。所以这个一个自行车的表达吗？我们听一听。
8·PLC system adopts the SIEMENS Company products, can control the crane cart , car operation direction and change speed ;
PLC系统采用SIEMENS公司产品，能控制起重机大车、小车的运行方向和速度换档；
9·In order to meet the screw air compressor operation of the energy saving, there must be an efficient change speed motor drive.
为了满足螺杆空压机运行中的节能，必须有一种高效率变转速的驱动电机。
10·Q. Berdych was having some trouble with the slice and change of speed when you did change speeds, yet you chose to keep hitting hard.
当你改变速度时，贝尔·蒂奇对你的削球和速度变化束手无策，你为什么还要使用大力击球的方法。