The trends of visibility from 1960 to 2002 have been analyzed by using three different statistical methods: cumulative percentiles, Ridit analysis, and frequency of “very good” visibility.
用累积百分率分析法、Ridit分析法和“非常好”能见度出现频率分析法分别对河北省11个城市1960～2002年的大气能见度进行了研究和分析。
percentage of effective grate area
炉篦有效面积百分率
Percentage dot area: In an unit area, the percentage area of a half-tome that is covered by dots.
网点百分率:以单位面积计，黑实的半色调网点所占的百分率。
carbon monoxide percent by volume
一氧化碳容积百分率
area weighted average resolution
面积加权平均分辨率
Asia makes up twenty-nine percent of the world's land area.
亚洲占世界陆地面积的百分之二十九。
3) The dot abrasion rate was opposite to the dot percentage and the dot abrasion quantity direct ratio the circle of the dot.
3)网点的磨损率与其面积百分比成反比； 网点磨损量与网点的周长成正比；
across-the-board percentage reduction
以百分率计全面降低关税
Porosity is defined as the ratio of the void space in a rock to the bulk volume of that rock multiplied by 100 to express in percent.
孔隙度定义为岩石内的孔隙体积占岩石总体积的百分率。
Plateaus and mountains make up 60 per cent of China's total area.
高原和山地占中国总面积的百分之六十。
About 3 percent of Alaska is covered by glaciers.
阿拉斯加大约百分之三的面积由冰川覆盖。
The area is approximately 100 square yards.
面积大概有一百平方码。
Centurial High Resolution Records of the Sediment Grain-size Variation in the Mud Area Off the Changjiang (Yangtze River) Estuary and Its Influencial Factors;
长江口泥质区百年来高分辨率沉积粒度变化及影响因素分析
100% Stacked Area. Displays the trend of the percentage each value contributes over time or categories.
百分比堆积面积图。显示每一数值所占百分比随时间或类别而变化的趋势线。
In the First Front Army, Consisting of about 30,000 men, there was a high percentage of southerners.
一方面军约有三万人，南方人占的百分率很高。
Reflectance: The relative amount of reflected light of a surface. May be expressed in percentage.
反射度:一个表面的相对反射量。可用百分率表达。
Cellular plastics-Determination of volume percentage of open and closed cells of rigid materials
GB/T10799-1989硬质泡沫塑料开孔与闭孔体积百分率试验方法
convolution of probability distribution
概率分布的卷积;概率分布的褶积;概率分布卷积
Volumes of various group composition were calculated by using addible RI of hydrocarbon mixtute, then their volume percentage was determinded.
利用烃类混合物折光率的可加性计算各族组分流出体积 ,从而计算其体积百分含量。