他们的信可能会被北方佬截取,给农场带来麻烦.Their letters might be intercepted by the Yankees and bring trouble upon the plantation as well.图56显示篱壁果园不同行间宽度的光能截取和分配的情况.Light interception and distribution in hedgerow orchards with different all...
The neutrons and protons form the core of the atom.中子和质子构成了原子核.The nucleus of an atom consists of neutrons, protons and other particles.原子核由中子 、 质子和其他粒子构成.30 years ago, scientists came up with the theory that protons and...
石蒜属植物种类丰富、适应性强,是园林应用的优良植物材料.The Lycoris plants were excellent materials characteristics of abundant species and wide adaptability in landscape application....