Because at random was exactly how humans were trying to restore ecosystems.

The species that make up natural ecosystems usually display a wide range of genetic variability.

构成自然生态系统的生物种,通常表现有较大范围的遗传变异性.

The world's natural ecosystems act as a buffer.

地球上的自然生态系统起着一种缓冲的作用.

In addition, it is also easy to exploit marine ecosystems.

另外, 它的开采也极易破坏海洋生态系统.

Aquatic ecosystems share a number of basic structural and functional characteristics with terrestrial ecosystems.

水生生态系统的结构和机能,在许多基本特征方面同陆地生态系统一样.

Temperate forest ecosystems occupy a position of prominence among all ecosystems.

温带森林生态系统在所有生态系统中占有优势地位.

Madagascar's ecosystems range from rainforest to semi-desert.

马达加斯加生态系统类型多样，从雨林到半荒漠等不一而足。

They maintained biological productivity rates similar to outside ecosystems.

它们保持着一种与外界的生态系统相类似的生物生产率.

The colours gently fade each time you wash the shirt.

衬衣每洗一次都会褪点色。

Wash the lettuce and pat it dry.

把莴苣洗一下拍干。

Waves wash the shore.

海浪冲击着海岸.

It was my job to wash out the fish tank.

我的工作是清洗鱼缸内壁。

I wash my hair every night.

我每晚都洗头。

Wash your face with lukewarm water.

用温水洗脸。

He said her policies didn't work and the excuses didn't wash.

他认为她的政策没有起到效果，而且理由也不能令人信服。

Go and wash that filth off your hands.

去把你手上的脏东西洗掉.

Wash the tablecloth in fairly hot soapy water.

桌布要用比较热的肥皂水来洗.

I let some lemonade fall on my clothes, and I'm not sure if I can wash it off.

我把柠檬汁洒在衣服上了, 不知道能否把它洗掉.

Multiform inspections and quarantines are needed when palm oil is importing.

我国与马来西亚有大量棕榈油进口贸易,检验检疫工作繁重且多样.

Objective : To observe the effects of Baichuan capsule on Rats ECGs for short and long period.

目的观察白川胶囊短期及长期给药对大鼠心电图的影响.

However, most of the ECGs in the hospitals are still recorded on plain papers.

虽然很多医疗仪器提供了数位化心电图资料, 仍然有许多资料未依标准数位化格式储存.