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Spontaneous photons initiate stimulated emission and the chain reaction begins.

自发发射的光子引起受激发射,开始了链式反应.

These energypackets are called photons.

这些具有能量的微粒叫光子.

The effect of the photons being scattered is enough to smear out any interference effect.

光子被散射所引起的效应足以抹掉任何干涉现象.

In quantum mechanics all particles, not only photons, exhibit wavelike properties.

在量子力学中不仅光子, 而且所有粒子都显示波性.

Such photons will excite the higher vibrational levels of the OH molecule.

这种光子会激发OH分子的较高振动能级.

These units of energy are photons or quanta.

这种能量单位称为光子或量子.

The two photons go off together as coherent radiation.

这两个光子一起发射出去,形成相干辐射.

Photons can be created freely as long as energy is available.

只有要足够的能量,光子随时随地都可以产生.

Photoperiod sensitivity was the major obstacle of using tropical and sub-tropical germplasm in temperate zone.

光周期敏感性是热带、亚热带玉米种质在温带地区应用的主要障碍.

But the photoperiod sensitivity of the tropical and subtropical maize blocked this process.

针对热带亚热带玉米种质这些特点,诱变可以发挥重要的作用.

The pistillody of stamens of 291 S could be induced under certain photoperiod and temperature condition.

291S在一定的光温条件诱导下会出现雄蕊心皮化现象.

The gibberellins interact also with photoperiod in the determination of flowering.

赤霉素也和决定开花的光周期有关.

Photoperiod could affect the nutrient uptake and utilization in maize.

光周期可以影响玉米对养分的吸收及利用.

What is the adaptive significance of photoperiodism during evolution?

在演化过程中生物或植物以光周期适应(环境)之意义为何?

But there were obvious spring and strong photoperiodism spike cultivars . These need to improvement.

近期育成的大穗品种多有明显的春性化、强感光性, 需要加以改进.

The woman presented with photophobia and reduced vision.

该妇女表现为畏光和视力下降.

Severe water stress inhibited photosynthetic quantum yield, carboxylation efficiency, electron transport rate, and photophosphorylation activity.

叶肉细胞光合能力的降低可能是由于光合量子效率 、 化效率 、 合电子传递速率及光合磷酸化活力的下降所致.

The production of ATP from the transport of electrons excitedelectron transport chain is termed photophosphorylation.

由电子传递链偶连产生ATP的过程称为光合磷酸化.

This is more than 75 scleroscope hardness of a plastic, photopolymer plate.

这是肖氏硬度75以上的铅版塑料版 、 平聚版无法比拟的.

An extension of photorealism in which depiction of a subject is indistinguishable from reality.

20世纪末兴起的一种绘画流派.照相现实主义的延伸. 强调对现实的临摹.