Venus, Earth, and other planets also perturb Mercury's motion.金星, 地球和其他行星也使水星的运动受到摄动.Stellar passings can perturb the orbits of comets.行星的运行会使彗星的轨道发生扰动....
果实是植物用来包藏种子的包裹物.Fruits are packages in which plants wrap up their seeds.经测试具有优异的防止如维生素或酶等易变分子的降解,保持被包裹物活性的功效.Have proved to protect from degradation labile molecules such as vitamins or enzymes.这些缺陷包括:包裹物,色心, 开裂, 台阶面,位错,...
She applied calamine lotion to her sunburn.他在晒斑上涂了一些炉甘石搽液.RESULTS calamine jel has better stability, longer storage period and stronger antibacterial activity than calamine lotion.结果与炉甘石洗剂比较,纳米炉甘石凝胶性状稳定, 贮存期长,抑菌活性明显提高......