during this period and i'll follow you back andorth between them翻译

what's the difference between'over a period of time'and 'during a period of time'? 英译汉,请爱好英语者进I am currently on a business trip ,During this period I only have occasional email access,so my reply maybe delayed. during the period 和over the period during this period and i'll follow you back andorth between them翻译 求翻译简单英语句子：faiture at a certain period of time is acceptable. many jazz clubs during this period had balck perfomers , but few allowed them to watch the show part of the audience.mean dogs are used to guard this property.这些句 英语翻译全文是A Twenty-One Day Security Interest--Subject to the following conditions,the security interest is perfected without filing during this period of time最好把全文翻出来, at the begining;worst of all;during this period;as is known to you;帮忙翻译一下这些词组? 英语翻译Shows cash flows into and out of a business during an accounting period.Shows important investing and financing transactions of the period.Focuses on liquidity .Explains how the cash account changed during the period 英语翻译A technical redundancy cannot be imposed on a worker once or several times,for longer than three (3) months during the same period of one year.After this period,the worker is free to consider himself/herself as laid off.The employer is he who can analyse the sentence for me?in this sentence During study period and recreation students at the sixth form may leave the school grounds. what is the meaning of during study period and recreation students at the sixth form during any 2-week period 怎么翻译? 在此期间,during the period 还是 during that time Each provider is eligible to win up to 3 times during a one-month period.Each period will begin on的中文 请问各位英语达人 During this period all the students were actively participatingDuring this period all the students were actively participating.were actively participating.是过去式的进行时吗? while the proportion of women smokers in the UK remained stable at 15% during this time period.什么叫during this time period ,time 不就是时间的意思吗,period是时间段的意思吗,两个用在一起代表什么意思呢 看下这个句子During a period fraught with difficulties and marked by very extraordinary events,the United States has flourished beyond example.请问前半句的with 可以不要嘛?可以写成During a period of fraught difficulties and marked 英语翻译The income statement reports how profitable a company has been during the period covered by the statement. The contract can be cancelled at any time during the year with a period of 6 months.怎么翻译?