你知道那仅仅是近似值。That's just an approximation, you understand.上述估算结果只能是粗略的近似值.Such estimates should be considered only as crude approximations.应用至今的黑圆盘近似值虽然再现了概貌, 但不能再现更为详细的细节.The black - disk approximation used so far re...
He now called a varrable quantity a fluent and its rate of change , the fluxion.他现在把变量叫做流,变量的变化率叫做流数.Generally bite in the ankle, start to bend a knee, oppress blood vessel, reduce blood fluxion.一般咬伤在脚踝, 将膝盖屈起, 压迫血管, 减少血...
Except for the transitional elements, valency electrons are in the outermost electron shell.除去过渡元素外, 价电子位于最外面的电子层.Transitional metals ( Fe 3 + ) play an extremely important role in catalyzing CLA oxidation.变价金属离子 ( Fe~(3...