| 释义 |
1 ?活动最迟必须开始时间 ...间，即 LF(i,j)?LT(j) 或按活动最迟必须开始时间计算： LF(i,j)?LS(i,j)?t(i,j) (四)活动最迟必须开始时间(Late start time，LS(i,j)) 活动最迟必须开始时间可通过事件的时间参数汁算： LS(i,j)?LT(j)?t(i,j) 1．总时差。
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Be encouraged that it is never too late to start saving, regardless of your age. Set your mind that now is the time to start building your future. 无论你年龄多大，任何时候开始省钱都不算太迟。现在，你就要有这样一个概念- - -我正在创造我的未来。 - 2
The survey also shows that bed-time sugar intake, late start of brushing teeth and weak awareness of teeth care are to blame for the bad dental health among Chinese children. 调查结果还显示，导致我国儿童口腔疾病的主要原因为睡前进食含糖食物、开始刷牙时间过晚以及口腔保健意识缺乏。 - 3
As test time approaches, he'll start thinking about maybe "skimming through his notes a bit", but it's too late, the panic attack has already begun. 随着考试时间的进行，他会想着可能要快速的看看他的笔记，不过太晚了，焦虑总攻已经开始了。
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