定义为...

As used herein, an unsaturated hydrocarbon is defined as a hydrocarbon containing an isolated carbon-carbon double bond.

本文所使用的不饱和烃定义为含有一个孤立碳碳双键的烃。

Circulation of cooling medium in closed system is realized through density difference between mixture of gas / liquid in ascending tube and liquid in downcomer, which is defined as natural cycling, and known as Self Circulation for short.

密闭系统内的冷却介质依靠下降管的液态与上升管中汽/液混合物之间的密度差实现冷却介质循环的过程，定义为自然循环，简称自循环。

The Standard on depreciation (SSAP 12) states that 'depreciation is a measure of the wearing out, consumption or other reduction in the useful economic life of a fixed asset whether arising from use, effluxion of time or obsolescence through technological or market changes.

折旧标准(SSAP 12)定义为："折旧是衡量出于经济目的而使用的固定资产，在其使用年限里的耗费，损耗或其他的贬值，尽管因技术和市场变化，可能重新利用，淘汰或废弃。"

The elastic modulus of an object is defined as the slope of its stress-strain curve in the elastic deformation region

一物体的弹性模量被定义为在弹性变形区它的应力－应变曲线的斜率

Voltage is represented by the letter V, and sometimes by the letter E, for electromotive force.

电压的量度单位是伏特，伏特定义为分离每单位电荷所需做的功。

The bonding parameter topologcal index of valence electron energy level is defined as Es=(1+qi).

价电子能级键参数拓扑指数被定义为：Es=(1+qi)。

One electron volt is defined as the kinetic energy gained by an electron when it is accelerated by a potential difference of one volt.

我们把一个电子被一伏特的电位差加速后所得到的动能定义为一电子伏特。

Spectral emissivity is one of important parameters in object infrared radiation.

在红外物理中，物体的光谱发射率被定义为该物体在指定温度时的辐射能与同温度黑体辐射能的比值，它是一个与测量手段无关的物性参数。。。。

Energy is defined as the integral of the general energy state function between two states.

体系的能量被定义为普遍化能位函数在两状态之间的差值。

A clinical investigation on providing enteral nutrition in earlier period for patients after underwent epigastrium surgery

计学，由于受到苏联1954年统计科学会议的影响，即把统计学定义为一门具有阶

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。