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- These discoveries have raised new questions concerning the origin and distribution of early mammals. 这些发现提出了有关早期哺乳动物的起源与分布的新问题。
- Worked with state and federal agencies to conduct trace the origin and distribution of potentially infected animals. 与州和联邦机构一起工作追踪潜在感染动物的源头和传播
- Methods The tissue origin and distribution of hepatoma specific GGT were observed in Wistar rats induced with 2 FAA(0.05%),and the hepatoma specific band(HSB)activities of GGT were quantitated in different patients with liver disease. 方法以化学致癌剂2－FAA（0?05%25）制备鼠肝癌模型，观察肝癌GGT的产生及其肝组织内分布，并对不同肝病患者血清肝癌特异性GGT区带（HSB）进行定量分析研究。
- The advances on origin and distribution, collection and conservation, classification and identification of litchi and longan germplasm resources in China were reviewed in this paper. 本文分别就荔枝、龙眼种质资源在起源与分布、分类与鉴定等方面取得的研究进展进行了综述。
- The formation and distribution of the subtle reservoirs in Bohai Bay basin are usually controlled by originating and evolving of the rift lake basin. 渤海湾盆地隐蔽油气藏的形成与分布，总体上受控于裂谷断陷湖盆的生成演化。
- In this paper, the origin and distributing of silverleaf whitefly, the symptom of harm and the control was also discussed. 就烟粉虱的起源与分布、为害症状及如何防治等进行了综述。
- origin and distribution of nitrogen 氮的起源和分布
- The system determines the size and distribution of the agglomerate. 这个系统确定凝聚的大小和分布。
- The origin and evolutionary development of plants. 植物发生，植物进化植物的起源和进化发展
- Nylon differs from silk in origin and cost. 尼龙和真丝在原料和成本上都不一样。
- Signed commercial invoice in 1 origin and 3 copies. 卖方签署的商业发票一正三副。
- The species and distribution of Agropyron. 冰草属牧草的种类与分布.
- Origin and Distribution of Tree Species of Juglandaceae 核桃科树种的起源与分布
- Population density and distribution. 人口密度与分布。
- Your duties include checking the post and distributing it. 你的职责是检查和发送邮件。
- On The Origin and Distribution of Han People under Ch'i-tan Rule 契丹统治下的汉人来源与分布
- A benign epithelial tumor having a glandular origin and structure. 腺瘤具有腺性起源及组织的上皮细胞的良性肿瘤
- Food production and distribution are vital to society. 粮食的生产和销售是社会的命脉。
- Vesicle A small vacuole of variable origin and shape. 泡囊：来源不同、形状各异的小型液泡，其内可含细胞分泌产物。
- The historical origin and development of a word;an etymology. 词源一个词的历史起源及演变；（某字的）语源
