Aiming at the problem of life cycle cost of a mechanical product under periodic replacement,this paper proposes a method of penalty function which indicates the additional costs caused by the product not working to the predicted life.
针对定期更换的机械产品寿命周用费用问题，提出了罚函数的方法，用以表征由于产品没有工作到预期的寿命而引起的附加费用。
We change our items of goods regularly.
我们定期更换我们的商品
require periodic replacement dependent upon use conditions
… 需要根据使用条件定期更换.
He joined a small repertory company
他加入了一个定期更换剧目的小剧团。
repertory company
准备多种剧目定期更换演出的剧团
"Air cleaners should be removed periodically and the filter element washed, the usual recommendation is that this should be done every time the engine oil is changed. "
空气滤清器应定期更换,滤芯应进行冲洗。通常建议每次发动机换油时都应这样做。
This rod should be inspected periodically and replaced when necessary.
这种阳极棒因定期检查,如果需要的话要进行更换。
The editors meet on a regular basis to exchange information and update the publishing procedure.
各杂志的编辑定期开会以交换资讯，并更新出版程序。
The bureau also has regular dialogue with the Legislative Council's Panel on Transport.
运输局更定期与立法会的交通事务委员会交换意见。
It can finish the change of corner cut and truncated by changing lock bar.
用定位条更换可更方便的进行切角和平切转换。
convertible term assurance
可调换定期人寿保险
She didn't change the oil regularly.
她没有定期换机油。
Option Pricing by Esscher Transforms;
期权定价的Esscher变换方法
A renewal programme is underway to improve operational effectiveness.
更换计划现正进行，以期改善操作效能。
Drivers have ten days' grace to renew their licenses.
驾驶员更换执照有10天的宽限期。
In time renew of expired ID.
若身份证的有效期已过的要及时更换。
periodical loadline renewal
载重线合格证定期更新
The magnesium anode rod should be inspected periodically and replaced when necessary to prolong tank life.
应该定期检查阳极棒,为了延长热水器的使用寿命,在必要时,更换阳极棒。
"Fuel filters require no service except periodic checks to make sure that they are not clogged, and replacement of the filter element or cleaning of the filter, according to type."
燃油滤清器不必加以维修,但要定期检查是否堵塞,根据类型更换滤芯或清洁滤清器。