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- The pendulum clock was invented in 1657. 钟摆是1657年发明的。
- His work in this direction was motivated by his interest in light and in the design of pendulum clock. 他对光线研究和钟摆设计的兴趣推动了他在这方面的工作。
- Subsequently, mathematicians proved the point in theory and the physicist Huygens invented the pendulum clock on the basis of this theory. 后来的数学家从理论上证明了这一点，物理学家惠更斯根据这一原理研制了摆钟。
- At present , The JiaWei designs and produces all kinds of cassette mechanism of quartz clock,including cassette mechanism of alarm clock,stopwatch and pendulum clock. 当前，加威所设计生产的石英钟机芯种类齐全，有闹钟机芯、扫秒机芯和摆钟机芯，以优良的品质，赢得了国内外市场的广泛认可。
- Pendulum clocks showed the hours more exactly than earlier clocks, since the weight on the pendulum could be moved up or down to make the clock to go faster or slower. 摆钟比早期的钟记时准，因为摆上的重锤可以上下移动调整钟的快慢。
- a pendulum clock enclosed in a tall narrow case 封闭在窄的高的盒子里的摆钟
- mechanical pendulum clock movement 机械摆钟机芯
- Some old pendulum clocks are very beautiful. They were made carefully and they still work well. 有些古老的摆钟很美观，制作精巧，至今仍走得很好。
- It was discovered that pendulum clocks recorded time differently depending on their location. 人们发现摆钟在不同的地点所记录的时间不同。
- Mechanical pendulum clock movement UFs 机械摆钟机芯
- a pendulum clock enclosed in a tall narrow case. 封闭在窄的高的盒子里的摆钟。
- We frequently see on pendulum clocks, for example, two soldiers propped over a cornice playing dice or cards, or even sleeping. 例如，我们经常可以看到，在钟楼上，两个士兵倚着门掷色子或打扑克，甚至睡觉。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- Precision pendulum clock with perpetual calender and moonphase, free gravitation escapement, 精确摆动,带有万年历和月历,自由落体摆轮
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- The corridors are furnished with beautiful period pieces that further enhance the intimate charm of this elegant building, including period chests of drawers, magnificent watches and extremely valuable pendulum clocks. 酒店的走廊配有雅致的古典装饰,为这优雅的建筑增添韵味:古老的箱柜、华美的钟饰及所费不菲的摆钟。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- In watchmaking tradition, “regulator” watches were special pendulum clocks, used by watchmakers in their workshops to set the exact time and therefore to test the precision of smaller watches. 在制表业的传统中，“规范指针”表是一种特殊的钟，在工厂中被制表师作为标准时间，或者用来对测试手表的准确度。
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
