有1,000多人围着约克谷地骑行了100英里。Over 1000 riders cycled 100 miles around the Vale of York.霍顿向外望去,肥沃的谷地和平缓的丘陵尽收眼底。Horton looked out over a panorama of fertile valleys and gentle hills.瓢泼大雨冲刷着这个谷地.A curtain of rain swept over the v...
此比率自然对数称为对数的减量.The natural logarithm of this ratio is called the logarithmic decrement.尾数对数的小数部分. 如在对数2.95424中, 尾数是0.The decimal part of a logarithm. In the logarithm 2.95424, the mantissa is 0.95424.尾数对数的小数部分.如在对数2. 954...