其实，监督该报告的印德尔密特•吉尔承认，不可能精确地确定这一比例：各地的城市居住人口比例可能在45%到55%之间，这取决于你的计算方法。
In fact—as Indermit Gill, who oversaw the report, acknowledges—it is impossible to pinpoint the proportion: the urban slice of humanity may be anywhere between 45% and 55%, depending on how you count.
本文叙述修正比例常数法的概念、原理、有关数学表达式的推导及计算方法。
This paper describes the conception, principle, derivation of mathematical expression concerned and the calculation method of modified proportional factor method.
并从翻折线缩量的计算方法、分配比例及具体的操作方法几个方面对翻折领挖领座结构处理进行了探讨。
It also studies the handling of stand structure from the calculation of the roll line's variation, allocating scale and specific operation methods, etc.
论文针对传统的基于距离相似度计算的不足，提出了一种基于比例的相似度计算方法，并对此进行了讨论。
This paper introduces the flaw of traditional similarity based on distance, and discusses a computed method about similarity based on proportion.
然后对图像中的表面缺陷进行区域标记，并详细分析了表面缺陷区域面积的计算方法，再利用最大缺陷区域面积比例来判定橡胶栓表面质量。
Then the maximal disfigurement of the surface was inspected by regional marking, and the ratio calculation of the surface was analyzed to check out the quality of the rubber bolt.
详细介绍了在斜面焊口超声波探伤中采用声程调节扫描比例进行缺陷定位的计算方法，并给出了计算公式。
Method of calculation of defect site by ultrasonic inspection of indined plane welding has been described in detail, and formula have also been proved.
基于单轴应变疲劳分析，提出了比例加载多轴应力状态下的疲劳寿命计算方法。
Based on the local strain method of the single axle stress condition method, the multi axial stress condition computing method of the proportional loading is presented.
“劳动折合产量”就是通过分析和计算方法，求出各种纱支的费工比例，从而制定出来的一种统计指标。
A statistical unit, based on the ratio of labor consumption in cotton yarns of different counts, is derived from careful analysis and calculations.
传统的库容计算方法是在已有的地形图上采用求积仪法进行，当精度要求较高时，需到现场实测更大比例尺的地形图。
In traditional reservoir capacity calculation, a planimeter is used to obtain a reservoir capacity from topographic maps and large scale topographic maps are needed if high accuracy is required.
传统的库容计算方法是在已有的地形图上采用求积仪法进行，当精度要求较高时，需到现场实测更大比例尺的地形图。
In traditional reservoir capacity calculation, a planimeter is used to obtain a reservoir capacity from topographic maps and large scale topographic maps are needed if high accuracy is required.
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