外界的

Its light-emitting principle is: the molecular or atomic electronic peripherals by an external energy such as heat, light ray excited from the ground state to excited state transitions at non-steady state.

其发光原理是：分子或原子外围的电子受外界能量如热、光射线激发后，从基态跃迁至激发态，处于非稳定状态。

Since then, there has been no official communication with the kidnappers.

从那以后，绑架者没有和外界有正式的沟通。

The US said it had known about the existence of the site for several years, leading to speculation that Washington forced Tehran to come clean about the plant in a letter on Monday to the IAEA.

美国称多年前就知道伊朗存在这样的秘密工厂，这引发外界猜测，是美国迫使伊朗在周一致函IAEA，承认存在该秘密工厂。

Minishing the surplus force is the crux of the loading system.the paper aims at lessening the surplus force and improving the loading system performance.

在仿真系统中，飞行控制系统采用实物，而飞行器在飞行过程中所受的外界作用力则由电液伺服加载系统来提供。

There are mutterings about how quickly Menu Foods reacted to reports of pet deaths.

外界正纷纷议论着菜单食品公司对宠物死亡报告的反应是多么迅速。

Forty of these are different varieties of waterlily, which are housed in the central tank.

现在中央的供热水管道已经被切断，花全部由外界温度所控制。

With the eyes we see the world, and at the same time they let others see our inner selves--the eyes communicate the movements and turnings of the heart.

我们看见外界，同时也让人看到我们的内心；眼睛往往跟着心在转。

Next, a predator-prey system with refuge, toxicants and harvesting is proposed and studied.

第二部分研究一类有避难所、毒素作用、外界捕获影响的捕食-食饵系统。

Most organisms have to cope with a continually changing external environment over a range of timescales.

大多数有机体都必须应付在一定时间尺度范围内不断变化着的外界环境。

Environmental variation Most organisms have to cope with a continually changing external environment over a range of timescales.

Resources 环境变异大多数有机体都必须应付在一定时间尺度范围内不断变化着的外界环境。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。