水钟

The floating gates, which have a hollow cavity inside, work according to Archimedes' principle of buoyancy. When compressed air is pumped in, emptying the gates of water, the buoyancy of the giant panels will be greater than their weight, and in just 30 minutes the barrier will float above the surface. The gates are attached to the seabed with hinges, which are designed to absorb the force of waves and keep the barrier in place. The gates will only be raised when waves are higher than 1.1 meters, to reduce interruption of the sea currents to a minimum.

这些中空的水闸门，主要依照阿基米德浮力原理操作，当闸门内注入高压空气排水后，闸门受到的浮力大於闸门重量，只要三十分钟就能浮出水面，闸门底部则用轴承固定在海底，再透过细部结构设计能够悉受波动力量，保持闸门的稳定性，而水闸门只有在浪高超过110公分的时候才会升起，把对海水交换的干扰降到最低，其他维护潟湖生态的措施也获得欧盟肯定，所以在2009年4月，取消摩西工程违反自然保育法的决议。

Thebronzes were among 12 animal head sculptures that formed azodiac-themed water clock in the palace of Emperor Qianlong.

这些铜像是12生肖兽首像的一部分，12个兽首共同构成了清朝乾隆皇帝花园的12生肖主题水钟。

The conclusion is that the "ω" shape suction champer has excellent hydraulic characteristic in different inlet flow conditions. Its hydraulic loss is small and velocity-averaged streamline angles on special cross sections are approximately 90°.

试验和数值分析结果表明：采用&ω&形后壁吸水室钟形进水流道在不同进水条件下均具有良好的水力性能，水力损失小，流道出口断面速度加权平均入流角接近90？

He is credited with having invented the pump, the water organ, several kinds of catapults, and a legendary water clock.

据说，是他发明了泵、水压控制的管风琴和好几种弩炮，还有传奇的水钟。

In the cloudier climates of Europe, however, sundials proved inadequate.

古代埃及人的另外一样发明是水钟。

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With the 1/4-20 bolts started into the trap, place the bell over the trap and rotate it till the slots in the collar

将1/4-20螺栓安装在存水弯上，将钟罩放在存水弯上并旋转直到钟罩中心的槽孔和存水弯的螺栓处

With the 1/4-20 bolts started into the trap, place the bell over the trap and rotate it till the slots in the collar of the bell line up with the bolts in the trap.

将1/4-20螺栓安装在存水弯上，将钟罩放在存水弯上并旋转直到钟罩中心的槽孔和存水弯的螺栓处于一条线上。

Just short of the top of the trap, and the air in the long leg of the trap will have descended to the invert of

当液体到达池内的高水位线时，钟罩内的液体将迅速升至存水弯的顶部，存水弯长腿部分的空

As the liquid in the tank approaches the high water line, the liquid in the bell will have risen to a level just short of the top of the trap, and the air in the long leg of the trap will have descended to the invert of the trap.

当液体到达池内的高水位线时，钟罩内的液体将迅速升至存水弯的顶部，存水弯长腿部分的空气将下降到存水弯的倒拱部位上。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。