定义为...

The angular extent in a specified plane which contains all the radius vectors of the polar curve of luminous intensity having lengths greater than a specified fraction of the maximum.

在某一平面上，一定角宽范围内所包含的光强极轴曲线上的矢径长度均大于其最大值的某一特定比例，这种情况定义为光束的发散。

It is popularly defined as the distribution and sale of goods.

它通常被定义为商品的分配和销售。

Maximum expected voltage unbalance at PCC during normal operation of the grid: Voltage unbalance defined as relative value of negative phase voltage component, expressed in percentage of positive voltage component.

电网正常运行电网接入点预计的最大电压不对称：不对称电压的定义为负相电压分量的相对值，用正电压分量的百分数来表示。

Predation can be defined as the consumption of all or part of another individual.

捕食可定义为摄取其他个体的全部或部分为食。

The initiator efficiency f is defined as the fraction of the radicals formed in the primary step of initiator decomposition, which are successful in initiating polymerization.

引发剂效率引发剂效率定义为，引发剂最初分解形成自由基，并成功引发聚合反应的分数。

In order to describe quantitatively their relative contributions, the kinematic vorticity number is introduced and simply defined as cos v, where v is the angle between two eigenvectors containing the shear directions in the principal deformation plane （XZ-plane or ac-plane）.

为了定量说明两者间的相对贡献，提出了运动学涡度这一物理量，并简单地定义为COSv.v是主变形面内两特征方向间的夹角。

Risk has been defined as a measure of the probability, the severity, and the exposure of all hazards in an activity.

风险被定义为衡量一项活动所有风险发生概率、危害程度和暴露的尺度。

It is commonly understood that risk is defined as the combination of the probability of occurrence of harm and the severity of that harm.

通常，风险被理解定义为危害出现的可能性和危害严重性的结合。

In this method, the parameter value at the maximum of each rational B-spline basis function is defined as the parameter value of associated data point.

在这种方法中，把每个有理B样条基函数的最大值处的参数值定义为相伴数据点处的参数值。

We recall the notion of rational number, defined as a quotient of two integer s

我们回想有理数的概念，它定义为两个整数之商。

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。