half revolution

基本解释

The attraction of these magnets caused the wheel to rotate one half revolution.
吸引這些磁鉄造成車輪轉動的二分之一革命。
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He learned that he could reverse the wiring to one magnet, and get the wheel to complete another half revolution, for one complete revolution.
他得知他可能扭轉配線一個磁鉄，讓車輪來完成另一半的革命，對於一個完整革命。
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Once the correct track is found, the read-write head must wait for the data to rotate into position. On the average, this takes half a revolution.
儅讀寫頭到達正確的位置後開始讀（或寫）過程，敺動器可以很快地把大量的數據轉移到主存中。
blog.sina.com.cn

"It never will be." Hen-Tov says Iranian leaders are perplexed - even envious - that a country that was half as rich as Iran was years 30 ago, when the Islamic Revolution took place, is today twice as wealthy as Iran.
Suppose that as a kind of back-up security whenever revolution has done is-- produced so much redundancy in the brain that either half of the brain was sufficed.
假設我們有理論支撐,未來的進化-,會使大腦産生很多多餘的部分,我們衹需要一半大腦就足夠了。
耶魯公開課 - 死亡課程節選

After about a year and half into the revolution, I started to speak out and say this has no future.
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After a half century of revolution, the island state remains an economic wreck, locked in a time warp in which vintage 1950s American automobiles ply streets filled with weathered buildings unfamiliar with basic maintenance.
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