It has been safer for airplanes since air traffic control was implemented.

The way I see it, the city needs more traffic control.

据我看, 这个城市需要更多的交通管制.

Zhongshan Road West road traffic density, every intersection, and so have the light, slow taxi companies.

中山大道西路段车流密集, 每个路口都要等红灯, 车行缓慢.

Traffic density has fallen a little, but only to 2005 levels.

交通密度略有下降, 但仍相当于2005年的水平.

Vehicle density scales the traffic density of the traffic in the game.

车辆密度比额表的流量密度的流量在游戏中.

The policeman is commanding traffic on the traffic island.

交通岛上的警察正在指挥交通.

An overview of the research on vibration of large sized ultrasonic vibrators is presented.

文章中介绍了大尺寸超声振动体的研究进展.

Pay attention to the following instructions when using vibrators.

混凝土振捣器使用时注意下列事项.

Special vibrators are installed on the squeeze head to produce better blocks.

压头上另装有专用振动器,以加大成型效果.

Cute design vibrators. It comes with a powerful micro motor with variable speed control.

可爱设计单震旦:兔子旦. 配备超静音微型强劲马达之无段变速震动器.

This publishing firm is planning a new series of school textbooks.

这家出版公司正打算出一套新的系列教材.

All those who haven't got the textbooks, please come to the front.

凡是没拿到课本的同学请到前面来.

The teacher is giving the children their new textbooks.

老师正在给孩子们发新课本.

A part of the textbooks have arrived.

一小部分教科书已经运到了.

Their new English textbooks are on the teacher's desk.

他们新的英语教科书放在老师的书桌上。

He put his textbooks on the table by the window.

他把课本放在窗边的桌上.

Objective To examine the effect of AG 490 on NK activity and lymphocyte transformation.

目的研究AG490对正常人外周血NK细胞杀伤活性及淋巴细胞转化功能的影响.

Both NK and ADCC activity in experimental group were higher than that in control.

实验组NK活性和ADCC效应高于对照组.

However, a special cell type called a natural killer ( NK ) cell expresses this gene abundantly.

然而一种特殊的细胞—— NK 细胞可大量表达这种基因.

NK cell culture system in weightlessness was set up to observe cytotoxicity changes under the circumstances.

建立在失重环境下NK细胞 的培养体系,探讨失重培养条件对NK细胞活性的影响.

At present, the professional alliance entered the international player competition stage.

目前, 职业联盟进入到了国际球员选秀阶段.