三角

The morphological change of planarian was observed, in addition, the effect of the radiation on activities of lactic dehydrogenase, Na(superscript +)-K(superscript +)-ATPase, Ca(superscript 2+)-Mg(superscript 2+)-ATPase, superoxide dismutase, catalase and glutathione peroxidase were studied.

用短波紫外线照射处理日本三角涡虫，观察了涡虫的损伤状况，探讨了紫外线辐射对涡虫乳酸脱氢酶、Na-K-ATP酶、Ca(上标 2+)-Mg(上标 2+)-ATP酶、超氧化物歧化酶、过氧化氢酶和谷胱甘肽过氧比物酶活力的影响。

In this study, the full-length hsp70 cDNA was firstly isolated and sequenced from planarian Dugesia japonica (Djhsp70) using rapid amplification of cDNA end technology.

研究采用 RACE (Rapid amplification of cDNA end)技术首次从日本三角涡虫中克隆出hsp70 (Djhsp70)全长cDNA序列。

An algorithm based on triangulation is presented. First, 3D range data is projected on square domain in the plane.

首先对三维深度数据在矩形平面域上投影，并对平面域内的采样点按Delaunay优化准则进行三角剖分，然后把网格节点变换到三维曲面上，从而实现了煤堆三维立体图的显示。

Has ability to work with mathematical concepts such as probability and statistical inference, and fundamentals of plane and solid geometry and trigonometry.

能运用概率和统计理论的数学概念，以及平面几何，立体几何和三角。

Research on Triangulation Algorithm of Discrete Data on Plane Surface.

平面离散点集的不规则三角网自动生成算法的实现研究

The intersection of a composite triangular Bezier surface and a plane is another aspect of intersection study.

计算复合三角Bezier曲面与平面的交线是本文研究求交问题的另一个方面。

Power strap wheel and working strap wheel must be fixed in the same plane, triangle strap should be in order, to confirm the machine running direction is the same as the mark.

电力肩带车轮和工作肩带车轮必须固定在同一平面，三角皮带应放置正确，以确认机器运行的方向是正确的。

There are relative fewer reports regarding the observation of the route of lumbar nerve root in intervertebral plane and triangle working area from thin section anatomy and CT section anatomy.

而从薄层断面解剖与CT断面解剖对腰神经根在椎间隙平面的行程和三角工作区进行观测的报告较少。

With the method and the relation between the center of a circle and a triangle, the relation between the triangle and the circle can be determined rapidly, hence to quickly and correctly determine the position relation between the projections of the triangle plane and the tool in tool axis direction, and raise the efficiency of 3-axis NC machining.

借助于该方法及圆心相对三角形的位置关系，可以快速判别三角形与圆的位置关系，从而能据此快速、准确地判别三角片与刀具两者在刀轴方向投影的位置关系，提高3坐标数控加工干涉检查的效率。

For a given ray and a complex scene including dense triangle meshes, this approach can cull most nonintersecting triangles by a simple rejection test that only involves triangle/plane intersection tests.

针对由稠密三角形网格组成的复杂场景，算法通过三角形和测试平面的相交判断剔除与投射光线不相交的绝大多数三角面片。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。