The group which they delimit are called natural groups.由此划分出的类群称为自然类群.It is necessary to delimit the anomaly clearly.清楚地圈定异常是必要的.How does ability delimit affection cent is clear about.怎么才能把情感划分清楚....
This is not meant to delimit what approaches social researchers can adopt.这并不是为了限制社会研究人员所能采用的方法。The group which they delimit are called natural groups.由此划分出的类群称为自然类群.to delimit the epidemic area and the protection area划定...
混凝土由水泥 、 砂、石子与水掺和而构成.Concrete is composed of cement, sand and gravel mixed with water.两种液体在掺和器里均匀了一下.The two liquids homogenised in the blender.两种液体在掺和器里均匀了一下。The two liquids homogenized in the blender....
你是专家，而我是个能力有限的愚笨牧师。I'm a limited and obtuse clergyman while you're the expert.我有充分的理由不愿和他在一起——他又乏味又愚笨。There is every reason why I shouldn't enjoy his company — he's a bore and a fool.他从来就不愚笨，而是一直博学多才、...
硅酮隆胸植入物a silicone breast implant一种叫作吡啶酮的新型抗艾滋病药物能促使艾滋病毒变异，使其不能繁殖，也不会再感染新的细胞。A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.所有的主要难点都涌现在烯酮 ( 1 ) 的合成中....
内潜影颗粒可以通过带巯基的显影防灰雾剂加以保护.The fogged internal latent image grains are protected by mercapto development antifoggants.这些衍生物可以容易地在碱性条件下通过 2- 巯基吡啶和卤代烷的烷基化而得到.These derivatives are readily obtained by alkylation of 2 - mercapt...