分类学上的种是根据表型不连续性而不是根据互交可孕性来确定的.Taxonomic species are defined on phenetic discontinuities, not on interfertility.把无融合生殖小种 ( 无性种 ) 作为分类学上的种来承认,这点具有更大的迷惑性.The temptation to recognize apomictic microspecies ( agamospecies ) a...
梅格和吉伯特在头等舱里休息.Meg and Gilbert are relaxing in first class.1600年,吉伯提出,电效应起因于一种电的流质.Gilbert proposed in 1600 that electrical effects arise from an electric fluid.吉伯厘米 - 克 -秒 磁动势电磁单位, 等于!The centimeter - gram - second elect...
他们以武力把自己的统治强加在持反抗态度的人民头上.They imposed their government by force on the resistant population.公爵及其部属以武力反对国王.The Duke and his men arrayed themselves against the King.公爵及其部属以武力反抗国王.The Duke and his arrayed themselves against...
Farmers are now paid to let their land lie fallow .农民让土地休耕现在得到了回报。Leaving some fields fallow provided a natural check on insect populations.让一些土地休耕是自然控制昆虫数量的办法.Summer fallow is the best method of destroying weeds.夏季休耕是消灭...
Such stoppages as are observed in practice are thus attributed to mistakes or even irrationality.在实际情况中看到的这些停工,要归因于失误或甚至是非理性的东西.For all its harshness and irrationality, it is the only world we've got.尽管它严酷而又不合理, 它终究...