To provide a basis for preventive medicine, treatment and health preserving of TCM.

Preventive medicine is to raise the level of public health and prevent and control diseases.

预防医学旨在提高公共卫生健康水平,预防和控制疾病的发生.

They paid me off without previous notice.

他们未事先通知就付清了我的工资把我解雇了.

Turn back to the previous page.

在前一页有一幅画。

Input your desired text on the previous page and print it on a transparency.

在上页中输入要定义的文字，打印上页到透明的幻灯片上。

There is a picture on the previous page.

在前一页有一幅画.

Once a row has been read, the previous row is no longer available.

只要一行被读取, 之前的数据就不再有效.

He was not rich previous to his marriage.

结婚前他并不富有.

We should make full investigations previous to reaching a conclusion.

我们应该先充分调查再下结论.

You must collect enough material previous to your writing.

你在写作之前必须收集好足够的材料.

Jen had left three days previous to the call.

珍在这个电话到来之前已离开三天了.

Message reflection is backward compatible with code written for versions of MFC previous to 4.0.

消息消息机制向后与MFC4.0版本前的代码相兼容.

Previous to the conference we had discussed the matter among ourselves.

在会议之前,我们讨论了这个问题.

He said that they had paid him a visit two days previous to Easter.

他说他们在复活节前两天访问过他了.

It happened previous to his arrival there.

事件发生于他到那儿以前.

He had prepared himself well by reading the firm andproducts previous to the interview.

在会见前,他阅读了有关商行的资料,以便做好充分准备.

Previous to leaving for France, he studied a lot about the country.

在启程去法国之前, 他对该国作了相当多的研究.

I have, previous to this meeting, consulted with a number of our leading men.

我在这次会议之前, 就同我们的一些领导人物磋商过.

Previous to always think straight side will fall back side is.

以前想总认为一边往前走,一边回头是会摔倒的.

Previous to coming here, I worked in London.

来此之前, 我在伦敦工作.

Previously our mountain area [ region ] is poor and impoverised.

先前咱们 山区 很穷.