查询词典 polar

The polar bear is the second largest land carnassial beast in the world. Male bear's length reaches 240-260 cm, usually weighed about 400-800kg.

北极熊是世界上第二大的陆地食肉动物，雄性北极熊身长大约240-260cm，体重一般为400-800公斤。

The polar bear is the world's largest land carnivore, an animal native to the Arctic.

北极熊是世界最大的陆地食肉动物，是北极的原生动物。

Perhaps most impressive is the massive polar bear, the largest land based carnivore.

也许最令人印象深刻的是那些最大的陆上食肉动物，北极熊。

Understand what the differences are between polar coordinates and the Cartesian plane.

了解之间的差异极坐标和直角平面。

The unified mathematical description of these two ways usually uses the Cartesian coordinates or polar coordinates formulas.

这两种表示的数学描述通式，一般是在直角坐标系下的点或者矢量表达式。

The conventional linear and circular interpolation in Cartesian coordinates were supplemented by polar coordinates and helical interpolation.

传统的笛卡尔的线形和环形内插法结合被极坐标和螺旋插补所补充。

You can use Function Grapher to make Cartesian graph and polar graph.

您可以使用功能grapher作出笛卡尔图和极地图。

The essential oil from Cinnamomum cassia Presl was studied by non-polar solvent microwave-assisted extraction coupled with gas chromatagraphy-mass spectrometry.

利用非极性溶剂微波辅助提取-气相色谱质谱联用研究了肉桂中的挥发油成分，并测定了挥发油中的主要成分肉桂醛的含量。

We may even catch sight of a polar bear on the ice.

我们甚至可能突然看到一只北极熊在冰面上。

The invention discloses an InP quantum point preparing method, comprising the steps of:(1) mixing InCl3 with trioctylphosphine oxide, and preserving heat at 90-110DEG C to prepare a solution whose In content is 0.1-0.3mol/L;(2) raising temperature to 130-180DEG C, and charging argon gas;(3) injecting PSi(CH333 into InCl3-TOPO compound in the molar ratio of 1 to 1-1 to 2;(4) when the solution color turns into transparent red or orange, raising temperature to 260-270DEG C and preserving heat;(5) lowering temperature to 90-110DEG C and injecting dodecyl amine, decyl amine or mercaptan;(6) dissolving reacting mixture in nonpolar solvent to form transparent colloidal solution, then adding in polar solution until the colloidal solution is muddy, and centrifugally separating and obtaining deposits and supernatant; and (7) centrifugally separating the supernatant, where the above steps (1)-(5) are performed.

本发明公开了一种InP量子点的制备方法，其步骤为：①将InCl 3 与三辛基氧膦混合，在90～110℃保温制得In含量为0.1～0.3mol/L的溶液；②升温到130～180℃，通入氩气；③将PSi(CH 3 3 3 注射入InCl 3 -TOPO复合物中，其摩尔比为1∶1～1∶2；④待溶液颜色变为透明的红色或橙红色，将升温260～270℃保温；⑤降温到90～110℃，注入十二胺、癸胺或硫醇；⑥将反应混合物溶于非极性溶剂，形成透明的胶体溶液，然后加入极性溶剂，直至胶体溶液出现混浊状，然后离心分离获得沉积物和上层清液；⑦取上层清液进行离心分离。上述步骤①～⑤在保护气氛下进行。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。