小鼠中的H -2 同种抗原是最强的组织相容性抗原.In mice the H - 2 isoantigens are the strongest histocompatibility antigens.小鼠肾小管的发育需要有两种分化的细胞.The development of mouse kidney tubules requires two kinds of differentiated cells.他用煤烟提取物诱发了小鼠皮肤癌.H...
Uganda's beautiful highlands are host to a wide range of wildlife.乌干达美丽的高地是众多野生动物的栖息地。It was with some trepidation that I viewed the prospect of cycling across Uganda.我带着些许惶恐考虑了一下骑自行车周游乌干达的可能性。Uganda began wide spre...
Consumer durables such as refrigerators, television sets, bicycles and so on were produced in large quantities.冰箱、电视、自行车等耐用消费品被大批量地生产出来。Running at 50 - year lows below trend. Move from durables to services consumption co...
When pollen maturating , many small calcium precipitates distributed in its cytoplasm, especially in nucleus.接近开花时的成熟花粉粒细胞质中, 细小的钙颗粒主要分布在营养细胞和生殖细胞中.Water precipitates camphor from its alcoholic solution.水能把樟脑从其酒精溶液中淀析出来....