这种观点和热质论关于热量守恒的观念相矛盾.This is in contradiction to caloric - theory notion of conservation of heat.这样一来,孤立系统热质守恒的学说只好完全放弃了.Thus the conservation of caloric for an isolated system had to be entirely abandoned.本文视蔬菜为多孔介质,利用多...
玉蜀黍 又称为印第安玉米.Corn is also called " Indian corn ".他们在园圃的土坛上种植玉蜀黍 、 菜豆 、 南瓜和烟草.They cultivated maize, beans , squashes, and tobacco, in garden beds.谷类 、 麦子及玉蜀黍等都是家畜的饲料.Corn, wheat and sorghum are feed grain....