The lower bound is always zero, whether you specify it or not.

The log began to turn around them, spinning faster and faster.

木头在他们的下面开始旋转, 愈来愈快.

Gravity on the moon is about one sixth of that on earth.

月球上的引力大约是地球上的1/6.

The suction helps to pull the oil off of the liquid level.

这个吸力有助于将液位上的油拉出来.

If the light does not affect the damage, but must a suction.

灯如损坏不影响使用, 但一定要有吸力.

As you can see a graph of suction device for automatic exhaust.

图中可以看到吸力自动排废装置.

Its installation is simple; it has large suction and smooth feeding.

其安装操作简便 、 吸力大、下料畅通.

The water can be sucked up near the surface by capillary attraction.

水能由于毛细管吸力作用而被吸引到靠近道路表面的地方.

Wang Ping: You say it right. There are also shooting and bomb-dropping.

王平: 你说的对, 还有射击、投弹.

He can fly higher, meaning that he is at less risk from ground fire.

投弹者可以飞得更高一些, 从而使自己受到的地面火力威胁更少.

It is not just a more effective weapon, but also a safer one for the bomber.

这种武器不仅效率更高, 对投弹者也更安全.

Rajiv Gandhi is believed to have been killed by a bomber.

据信拉吉夫?甘地是被一名投弹者杀死的.

Wang Ping: You say it right. There are also shooting and bomb-dropping.

王平: 你说的对, 还有射击、投弹.

Test designed to determine whether they out the order of a sequence of procedures.

试设计确定他们的出列次序序列的程序.

Stand out that man in the back row.

后排的那个士兵,出列.

The soldier whose name is called should step forth from the rank.

被点到名的士兵应出列.

Come out and report the number of men present!

出列报告出操人数!

To pay taxes is anobligation.

纳税是一种义务.

A heavy progressive or graduated income tax.

征收高额累进税.

Since 1979 China has collected 24.7 billion yuan in pollutant discharge fees.

1979年以来,全国共征收排污费247亿元.

Complaints of financial exactions had often been made before with no result.

经济上的强迫征收所产生的不满情绪以前经常出现过,但始终毫无结果.