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- This article introducedes that a magnetic pendulum and a simple pendulum make a non-complete forced vibration system.It can be used to study nonresonant natural vibration. 用一永久磁铁构成的摆和一单摆一起组成一非完全强迫振动系统,它可用来观察、研究物体的非共振固有振动现象。
- The pendulum of the clock in my room is a bear. 我房间的钟摆是小熊形状的。
- Dalian is a magnet for tourists. 大连是吸引游客的地方。
- This disco is a magnet for young people. 这家迪斯科舞厅经常吸引大批年轻的顾客。
- A magnet attracts both iron and steel. 磁铁吸铁也吸钢。
- Certain metals are attracted to a magnet. 某些金属会受磁石的吸引。
- The pendulum swings with great regularity. 钟摆很有规律地摆动着。
- It shows the presence of a magnetic field. 这表明有磁场存在。
- North magnetic poles repel (each other). 磁北极与磁北极互相排斥。
- Back and forth swung the pendulum. 钟摆来来回回地摆动。
- Having the same magnetic inclination or dip. 等磁倾的有相同的磁倾斜的
- The pendulum swung back and forth. 钟摆来回地摆动。
- The block becomes magnetic when the current is switched on. 通电时线圈即具磁性。
- The pendulum swung slowly to and fro. 钟摆在慢慢地来回摆动。
- Human beings have learned out how to make magnet of cast iron. 人类已经学会如何从生铁制出磁铁。
- The pendulum's swing is 12 inches. 钟摆的振幅为12英寸
- Forbidden City is a great magnet for foreign tourists. 紫禁城对外国旅游者来说是个有巨大吸引力的地方。
- The loop becomes magnetic when the current is switched on. 通电时线圈就会有磁性。
- A pendulum swings back and forth. 钟摆前后摆动。
- The pendulum clock was invented in 1657. 钟摆是1657年发明的。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries