周期的英文：
period
cycle

參考例句：
  • This is a calendar based on both lunar and solar cycles.
    這是基于日月周期的歷法。
  • The tides come and go consistently with the lunar cycle.
    潮汐的來(lái)去與月周期一致。
  • Minor Cycles
    次圈數(shù);次周期
  • Body temperature and the secretion of the hormone melatonin follow the daily cycle.
    體溫及褪黑素分泌都受周期影響。
  • eustatic cycle is the interval of time during which a eustatic rise and fall of sea level takes place
    全球性海面升降周期是發(fā)生一次海平面升和降的時(shí)間間隔。
  • In Chinese there is a cycle of twelve years, each with a different animal.
    在中國(guó)有十二年的周期，每年都有一只不同的動(dòng)物(十二生肖)。
  • In vitro analysis must be complemented by studies of the virus replication cycle in plants
    體外的分析必須輔之以植物體內(nèi)病毒復(fù)制周期的研究。
  • A unit of time corresponding approximately to one cycle of the moon's phases, or about30 days or4 weeks.
    月大約和月亮盈虧的一個(gè)周期相當(dāng)?shù)臅r(shí)間單位，或約三十天或四周
  • The phenomena of cyclophysis and topophysis, are also consequences of developmental homeostasis
    周期特性和地方特性這些現(xiàn)象也是發(fā)育同形作用的結(jié)果。
  • It is possible to produce a result within 34 hours but the standard turnaround is 12 days.
    有可能在 34 小時(shí)之內(nèi)得出結(jié)果，但正常的周期是 12 天。
period是什么意思：
n. 時(shí)間；時(shí)期；周期；經(jīng)期；課時(shí)；局；句號(hào)
adj. 某一時(shí)期的；當(dāng)時(shí)特有的
  • juvenile period
    幼年期(構(gòu)成中心木質(zhì)部的一段時(shí)期)
  • But this is a transitional period.
    但這是個(gè)轉(zhuǎn)變過程。
  • The period includes the legal period and the period designated by the people's court.
    期間包括法定期間和人民法院指定的期間。
  • We'll call this time period the translation period.
    我們稱這個(gè)時(shí)間周期為轉(zhuǎn)化時(shí)期。
  • In this period, the cost would be enormous.
    在這期間，就會(huì)損失慘重。
cycle是什么意思：
n. 循環(huán)，周期；自行車；整個(gè)系列
v.（使）循環(huán)，（使）輪轉(zhuǎn)；騎自行車
  • Then the market cycle overtook the political cycle.
    當(dāng)時(shí)，市場(chǎng)周期超越了政治周期。
  • The seasons of the year make a cycle.
    一年四季構(gòu)成一個(gè)循環(huán)。
  • The pedal of a cycle is attached to a crank.
    自行車的踏板與曲柄相連。
  • The machine cycles automatically.
    這臺(tái)機(jī)器自動(dòng)循環(huán)運(yùn)轉(zhuǎn)。
  • Captial turnover is a periodical cycle.
    資本周轉(zhuǎn)是周期性的循環(huán)。

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