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 ...
因此,如果在某个地区内只在某单块抽样小区内采样,那末就可能得到某种较为含糊的结果.Thus setting up a single sample plot in an area can produce some rather bewildering result.用于修饰或说明不跨块界而包含在一单块中的记录 ( 或其它数据单位 )Pertaining to a record ( or other unit ); not crossing...
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...