There is a lot of concern over the amount of herbicides and pesticides used in farming.人们对农业上灭草剂和杀虫剂的用量非常担忧.Resistance of weeds to certain herbicides is beginning toshow up.杂草对某些除草剂的抗药性已显现出来.Arsenic is widely associated ...
Semiconductors containing such impurities are called p - type semiconductors.含有这类杂质的半导体叫做P型半导体.It is not possible to name any particular conductivity at which metals end and semiconductors begin.不可能说出在哪个特定的导电系数处是金属和半导体的分...
他为隐约呈现的灾祸提心吊胆.He was haunted by his looming perils.雅利安族最初呈现的明确形象是与饲养家畜分不开的.The first ascertained appearance of the Aryan family was in connection with the domestic animals.意大利政局呈现的艰危和混乱状态,在新的一年中更加严重了.The bitterness and c...
如果肠壁慢性炎症, 脂解作用被扰乱.If the intestinal walls are chronically inflamed, lipolysis is disturbed.以反应区面法研究脂解酵素催化酚酸酯类合成之最优化.Optimized synthesis of lipase - catalyzed hexyl ester in supercritical CO 2.免疫刺激还会作用于淋巴结周围的脂肪组织,引起这些脂肪细胞...
Trains are reliable, cheap and best for long-distance journeys.火车安全可靠、费用低廉，最适宜长途旅行。People make marathon journeys to buy glass here.人们千里迢迢赶到这里购买玻璃。The head groom is responsible for seeing that Milton and his stablemates h...
图3示意性地表示了包括多个均衡器的布置.FIG. 3 schematically shows an arrangement including a plurality of equalizers.均衡器接收机在某些情况下可提供更好的性能.An equalizer receiver can provide better performance in some such situations.然后介绍了均衡器的基本原理.Whereafter...