查询词典 protective

Thesetariffs can be of two types : revenue or protective tariff .

这类关税有两种：收入关税和保护关税。

A revenue tariff will always provide some protection, and a protective tariff will produce some revenue.

财政关税总能提供某种保护，一项保护关税会产生一定的收入。

Tariffs is divided into import duty, export duty and transit duty according to the direction of import commodity; into revenue tariff and protective tariff according to the purpose of levying it; into specific duty, ad valorem duty, compound duty, alternative duty, sliding scale duty, variable duty and

其中，以国际贸易商品的流向为标准，将关税划分为进口税、出口税和过境税是自然形成的传统分类，也是最基本的分类方法。实际上，进口税是目前世界各国最通常、最广泛使用的关税。在有关的国际协定中所说

Objective:To evaluate protective effects of Rheum tanguticum Polysaccharides on traumatic brain injury in rats.

中文摘要：目的：研究唐古特大黄多糖( Rheum tanguticum Polysaccharides ，RTP)对大鼠实验性脑外伤的保护作用。

A rhinoceros has large horns and thick,protective skin.

犀牛有很大的犀角和厚厚的保护皮肤。

Ritchie said researchers aren't sure why caffeine didn't show the same memory protective effect in men.

基利说，研究人员并不清楚为什么咖啡因没有表现出同样的记忆保护作用的男人。

So it is author's proposed new structure in building of overflow road in tide area of shallow sea to use geo-textile with filled sand as road base and to use solid soil with the solid agent as road protective layer.

采用土工格室填砂作为漫水路的基层、固化剂配制的固化土作为漫水路的防护层，是笔者建议的在浅海潮间带修筑漫水路值得采取的一种新型结构。

"Where and when estrogen switches from being protective to harmful is the next big question," Rocca says.

罗卡指出：在什么时机运用雌激素，用多大剂量，其保护作用才会转变成危害，是下一步需要研究的主要问题。

"This study is one of the first to support the hypothesis of a critical age window for the protective effect of estrogen on the nigrostriatal pathway in humans," Dr. Rocca's team points out.

该研究是第一支持雌激素对人黑质纹状体通路保护作用临界年龄窗假说的研究，"Rocca博士的团队指出。"

You should also wear a helmet when cycling, and ensure children wear protective head-gear when skateboarding or roller blading.

你也应该戴上头盔时，骑自行车，并确保儿童穿着防护头部齿轮时，滑板或直排滚轴。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。