常見例句Police were periodically patrolling the area.警察定時在這一地區(qū)巡邏。The geyser erupts periodically.間歇泉周期性地噴發(fā).Economic crises recur periodically.經(jīng)濟(jì)危機(jī)周期性地發(fā)生.Police were periodically patrolling the area.警察定時在這一地區(qū)巡邏。The geyser erupts periodically.間歇泉周期性地噴發(fā).Economic crises recur periodically.經(jīng)濟(jì)危機(jī)周期性地發(fā)生.He drinks far more than she, and is periodically rebuked.他喝酒比她厲害得多, 為此,有時受到她的責(zé)怪.Violent winds periodically drive clouds of dust around Mars.狂風(fēng)間歇地席卷火星上的塵云.Periodically , the lamellae become enlarged, forming flattened, membrane - enclosed vesicles called thylakoids.片層周期性地?cái)U(kuò)展, 形成扁平的有膜為界的囊,稱為類囊體.Inspectors periodically check wiring, heating plants and chimneys.檢查員定期檢查電線系統(tǒng), 暖氣設(shè)備和煙囪.Periodically, Churchill sinks into spells of depression.邱吉爾的情緒會周期性落入低潮.Dynamic RAM's need to be refreshed periodically.動態(tài)RAM則需要周期性地刷新數(shù)據(jù).Mount Baker periodically heats up internally.貝克山有周期性內(nèi)部發(fā)熱現(xiàn)象.Hurricanes periodically menace the Gulf Coast.颶風(fēng)常常威脅著墨西哥灣海岸.Villagers'committees regularly or periodically make public the affairs of the village to the villagers.村民委員會將村務(wù)定期或不定期地向村民公開.The simplest imposed conditions are those in which the loading is periodically and uniformly repeated.最簡單的加載情況是周期地、均勻而重復(fù)地施加的載荷.Invading woody vegetation, especially of the same species, should be controlled periodically to prevent confusion.入侵的木本植物, 特別是同一種類的, 應(yīng)當(dāng)定期地除去,以防止混雜.Economic dislocations such as " the Panic of 1837 " occurred periodically during the 19 th century.十九世紀(jì)曾周期性地發(fā)生象 “ 一八三七年恐慌 ” 那樣的經(jīng)濟(jì)失調(diào)現(xiàn)象. 返回 periodically