He held his anger in check.他遏制住怒火.The shelterbelt kept the sand in check.防护林带挡住了风沙.He's found someone with a bit of fight to keep him in check.他发现有个厉害的主儿能镇住他了。...
The titer of antiserum was detected by immunoelectrophoresis and double immunodiffusion.利用免疫电泳、向琼脂扩散试验分析和测定抗血清的效价.DeternSning contents of immunoglobulin and alexin in milk by Agar Immunodiffusion technique.用琼脂单项免疫扩散法测定牛乳...
Our country population is numerous, per capita has farmland amount low, and mothball resource lack.我国人口众多, 人均占有耕地数量低, 且后备资源缺乏.Up to 1989, the growth of per capita income averaged 1 per cent per year.一直到1989年，人均收入每年平均增长1％...