We are hard put to find a replacement for our assistant.

我们很难找到一个人来代我们的助手。

For some people, reading travel books is a surrogate for actual travel.

对某人来说, 读游记可代真正的旅行。

Hotels have taken the place of old inns.

旅馆已代了旧的客栈。

It further proved that triphosgene replacing the deadly phosgene and diphosgene is feasible.

进一步证明了三光气代剧毒的光气和双光气可行性。

Even grafting new blood vessels in place of the diseased coronary arteries has been tried.

甚至移植新血管代不健康的冠状动脉的方法都已经试过。

They preach the abolition of established systems but prose nothing to replace them.

他们竭力主张废除固有的制度,但没有提出代制度的任建议。

From early on, we can start introducing woggle to our baby as a substitute for our arm support.

在爸熟悉在水中活动后，可以开始使用「浮条」来代爸的手，让在水中学习自主。

According to action principle, extinguishing process and efficiency of the sprinkler systems, it is put forward that the ringed arrangements replace the ramiform arrangements.

根据自喷系统的作用原理、灭火过程和效率，提出用环状管网代目前广泛采用的枝状管网的观点。

A semicomplete multipartite digraph is obtained by replacing each edge of a complete multipartite graph by an arc or by a pair of two mutually opposite arcs.

摘要 用一条弧或一对方向相反的弧代完全多部无向图的每一条边所得到的有向图被称为是半完全多部有向图。

It has been produced in our country, all by oxalyl chloride technological process.For using oxalyl chloride, so it has high price and low occupy in the market.

本文用光气法路线进行试验，用廉价的光气代草酰氯制备异氰酸酯，为了降低成本提高收率，我们对杀铃脲的光气法生产路线进行了研究、开发和优化。

The relations among the indexes of tempered wheat a nd untempered wheat are analyzed after comparing the quality of all kinds of tem pered wheats and untempered wheats.

通过对同种小麦的润麦品质和未润麦品质分析对比,分析了各项指标的相关性,得出在特殊情况下可以采用未润麦品质分析代润麦品质分析的结论。

It's a tricky time for consumers, because the answer depends on the food — and some are losing trans fat only to hae another artery clogger take its place, that old nemesis saturated fat.

消费者需对此机警对待，因为答案依赖于食物──一仅仅是用那古老的有害饱和脂肪——另外一个动脉阻塞者来代反义脂肪的位置。