我们班里放置了一面单向透光的镜子，我们只能看到自己，而研究员可以在镜子背后的屋子里观察到我们。虽然我们从不知道观察我们的人是谁，但偶尔我们也会透过镜子看到里面的人的影子。
We got used to being subjects in a room with a one-way mirror, although unknown to our observers we could sometimes see their shadows through the glass.
将杯子放在光亮处观察，成分细致，透光无杂质的骨瓷制品为首选。
Put cup an observation at the shining place, composition meticulous, deeply light have no miscellaneous quality of bone porcelain product the leader choose.
测定复合支架的含水率、膨胀率、孔隙率、透光率和力学性能，利用扫描电镜观察样品横截面的组织形态。
Water content, swelling ratio, porosity, light transmittance and mechanical property were tested. SEM was used to observe the morphology of the cross section.
样品断面超薄片在显微镜下观察发现树枝状晶体不透光，反射色亮白。
By the observation of polarizing microscope, it is found that the thin section of branch shape crystallite is not transparent and its reflecting color is white.
主要观察指标：不同胶原用量对复合支架含水率、孔隙率和透光率的影响。
MAIN OUTCOME MEASURES: The effect of different dosage of collagen on property and structure of composite materials.
主要观察指标：不同胶原用量对复合支架含水率、孔隙率和透光率的影响。
MAIN OUTCOME MEASURES: The effect of different dosage of collagen on property and structure of composite materials.
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