但是这堵墙被一条很深的水沟一分为二，在那里猪边走变嗅，小鸟在它们的背上休息。
But the wall is interrupted by a deep ditch, where pigs nose about with birds perched on their backs.
利用时间分辨光声量热法测量了激光诱导人、牛，猪、马和兔的氧合血红蛋白光解反应的焓变和结构体积变化。
In this paper, the enthalpy and the conformational volume changes induced by laser photo-dissociation reactions of oxyhemoglobins of mammals, such .
目的 研究猪 胆 汁 性 肝纤维化时基质金属蛋白酶 2 （MMP 2 ）表达及活 性改 变 ，分析其在 肝纤维化初始阶段的作用。
Objective To observe the changes of the expression of matrix metalloproteinase 2 (MMP 2) and the activity of MMP 2 in the early stage of liver fibrosis.
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