[Objective] to study the toxicity of the road dust.

目的探讨公路粉尘的细胞毒性作用。

youdao

Study on the Key Technologies of Urban Road Traffic Information Extraction;

因通信实体之间交易的信息对它保密。

youdao

First of all, to study history is to look at a road map of human behavior that has led us to where we are today in the world.

首先，研究历史即是去审视一帧人类行为的“指路图”，让我们明白我们何以会处于目前的状态。

youdao

First of all, to study history is to look at a road map of human behavior that has led us to where we are today in the world.

首先，研究历史即是去审视一帧人类行为的“指路图”，让我们明白我们何以会处于目前的状态。

youdao