active adj. 1.活动的,有活动力的;【生物学】活性的;【电学】有功的;【无线电】有源的;【物理学】放射性的。 2.有生气的,活泼的,灵敏的,敏捷的;主动的,能动的,积极的;有力的,勤勉的;【医学】有特效的。 3.现行的,活动中的;【军事】现役的。 an active demand 畅销。 an active volcano 活火山。 The market is active. 市场活跃。 active measures 积极手段。 on active service 【军事】现役,现役中的。 take an active part [interest] in 积极参加。 adv. -ly 活跃地;积极地,能动地;【语法】主动地。 n. -ness 活跃,积极性。
be active in 对…很积极; 活跃于; 积极参加; 积极于; 在......里活跃; 在……活跃
period n. 1. 时代;期;时期;期间;阶段。 2.〔the period〕现代,当代。 3.周期;【地质学;地理学】纪。 4.终结;句号。 5.【语法】长复合句,圆周句;【修辞学】掉尾句。 6.〔pl.〕美词丽句;华丽的词藻。 7.学时,课时,一节课;(比赛的)一节时间。 8.【医学】过程,周期。 9.〔pl.〕月经(期)。 10.【数学】(循环小数的)循环节。 11.【音乐】乐段。 the transitional period 过渡时期。 the warm-up period 【火箭】备射阶段。 the catchwords of the period 现代流行话。 a turned period (字母上面的)上点。 the incubation period (病的)潜伏期。 monthly period 月经。 at fixed periods 定期。 at stated periods 相隔一定时期;在一定时期。 come to a period 完结。 for a period of time 一个时期,一些时候。 put a period to sth. 使某事终止;取缔某事。 round a period 练句。 adj. 1.(家具、服装、建筑等)某一时代的。 2.(小说、戏剧等)逼真地描写某一特定历史时代的。 period furniture 仿古家具。 a period novel 描写特定历史时代的小说。 int. 〔口语〕就这样〔强调话已经讲完了,=That's it! That's final!〕。
It wasn ' t until i had a computer that the really active period began 直到我买电脑才是灵异现象真正活跃的时候。
Red lines denote the mean annual number in quiet and active periods 红色线代表"活跃期"和"平淡期"的年平均热带气旋数目。
Is belong to winter cicada , their adults have a different active period and they call until november 发现朴树上有不少岸? ?蝉在鸣叫,而这种蝉的鸣声颇为独特。
Is belong to winter cicada , their adults have a different active period and they call until november 根据鸣声的强度和分布,发现岸? ?蝉零星分布在整个岛上。
The structural active period was between jurassic with cretaceous , and stopped in the early paleogene 构造活动期在侏罗纪?白垩纪,第三纪初期构造活动基本停止。
However , long - term records do seem to show relatively quiet and active periods in tropical cyclone activity see 但总的来看,这活动可以说是据有相对的"平淡期"和"活跃期
However , long - term records do seem to show relatively quiet and active periods in tropical cyclone activity ( see 但总的来看,这活动可以说是据有相对的"平淡期"和"活跃期" (
The chinese northern sand - dust storm was forecasted to increase gradually in waves , entering into a new round of relatively active period 预计未来中国北方沙尘暴将在波动中逐渐增加,进入新一轮的相对活跃期。
However , the large - scale erosions in the uplift areas of the fault belt and the surrounding margins allow the determination of the fault active periods to be difficult 在断裂带和外缘的隆起区地层剥蚀程度较大,活动时间的厘定比较困难。
The time matching relation between k1d1 cap rock and secondary active period of faults is good , it is favorable for oil and gas to accumulate and preserve in k1n2 南一段源岩与断裂第二次活动期匹配关系相对较好,有利于南二段油气大规模运移。