The null must intersect the emitter at the point where you want to emit particles.

Industries that emit carbon dioxide would have to buy permits to do so.

排放二氧化碳的行业需要购买排放许可.

Some active galaxies emit jets and blobs of highly energetic, electrically charged particles.

一些活动星系发出高能的喷射和溅射——带电的粒子.

Of even more significance, fuel cells emit only water and heat as byproducts.

更大的不同点是, 燃料电池排放的副产品只有水和热.

Luminescent organisms emit heatless light.

发冷光的有机体能够发出没有热量的光.

It can also emit electrons so they can be used in ultrathin display screens.

它也能发射电子,因而能用于极薄的显示屏.

Emit two vertical line and one horizontal line, plumb below point.

可产生二条垂直线和一条水平线, 带下对点.

They can also emit electrons, so they can be used in ultrathin display screens.

它们也能发射电子, 因而能用于极薄的显示屏.

Efficacy: Emit warm and emotional smell and show the sober and decisive character of gentlemen.

功效: 散发出温暖、感性的气息,展现绅士稳重、果断的个性.

NIST scientists use lasers that emit about 1 billion pulses per second.

NIST的科学家们用激光器每秒发射约十亿次脉冲.

At this stage, they emit much of their light at ultraviolet wavelengths.

在这个阶段, 他们发出的紫外线波长的光了.

It emits unpleasant high-pitched wails that are intended to disperse crowds.

这种设备可以发射出令人不悦的高频悲叹声用来驱散人群.

An engine emits smoke from its funnel into the air.

机车通过烟囱把烟排入空气里.

The young actor emits a lot of animal magnetism on the screen.

那个年轻演员在荧幕上充分显示出他的性魅力.

The system's antenna emits a focused beam of millimeter wave energy.

该系统的天线发射出能量为毫米波的聚焦射束.

Education also emits its effects in many directions.

教育也在许多方面产生作用.

When charge is applied through this organic substance, it emits light.

当电荷穿过这一有机材料时, 这种有机物就会发光.

The bathroom drains emits foul odor intermittently at night.

浴室的排水渠在夜间排放恶臭的气味.

A pulsar is a celestial object that emits light in short burst.

脉冲星是一种能够发出光脉冲的天体.

The new device emits a powerful circular column of light.

新设备发出明亮的圆形光柱。

A certain gasoline camping lantern emits as much light as a 25-watt electric light bulb.

某汽油野营灯,与25w的电灯泡发光相同.