Objective : To study tissue chara ct eristics of Humulus lupulus, powder characteristics, physical and chemical characteristics.目的: 探讨忽布的组织构造 、 粉末特征及常见的理化特性....
曲线型是他绘画的一贯特点.The distortion of form is a constant in his painting.高温有机物固体的前途在于它具有真正刚硬, 线型的大分子.The future of high temperature organic solids lies with intrinsically rigid, linear macromolecules.由两种或多种不同单体的混合物能得到线型共聚合物.The...
He knew his place in the pecking order.他知道自己排老几。A robin was pecking at crumbs on the ground.一只知更鸟在地上啄食面包渣。It was winter and the sparrows were pecking at whatever they could find.时值冬季，麻雀啄食着能够找到的任何东西。...