查询词典 envelope

In squamous cells, the nucleus was flat o r ellipsoid with far more euchromatin than heterochromatin, and had smooth outli nes without marked invagination of the nuclear envelope.

两种不同活动状态的细胞，扁平形细胞和立方形细胞，在核与胞质的超微结构上有显著不同。

The nucleolus (3) shows an internal structure. The chromatin is predominately euchromatin with heterochromatin which is typically located close to the nuclear envelope and is discontinuous at the nuclear pores.

可见核仁内的结构（3），核内常染色质为主，异染色质特征性地分布与核膜内表面，核孔处无异染色质分布。

And there was an obvious relationship of single exponential decay between first spike latency of neurons and instantaneous peak pressure of onset of sound envelope.

发现神经元第一发放延时与声音刺激的包络波瞬时声强存在着良好的单指数衰减关系。

One evening her husband came home with an exultant air, holding a large envelope in his hand.

可是有一天晚上，她的丈夫回家的时候手里拿着一个大信封，满脸得意之色。

A cataract is an opacity that develops in the crystalline lens of the eye or in its envelope.

白内障是一种不透明，开发中的晶状体眼或在其范围内。

Significant differences existed in the participation of leisure types among the sixth grade students with different background variables (gender, socio-economic status of the family, allowance, and offers in red envelope).

不同背景变项(性别、家庭社经地位、零用钱、压岁钱)的国小六年级学童，在休闲行为类型的参与上有显著差异。

By using slowly-varying envelope approximation, a family of solutions of the paraxial wave equation are found in theory, which represents a new family of ultrashort pulsed beams called ultrashort pulsed complex argument Sinc-Gaussian beams.

杨振峰 河北科技大学经济管理学院，石家庄 050018杨振军河北师范大学物理学院，石家庄 050016胡巍华南师范大学传输光学实验室，广州 510631利用理论解析推导的方法，在傍轴近似条件下，给出了一组新的超短脉冲光束的解析解，称为超短脉冲复宗量辛格高斯光束。

An explicit mathematical representation of the exact boundary of a ball Bézier surface was given by recurring to the envelope theory of the family of bivariate surfaces in the classic differential geometry, as well as the spherical coordinates and the Cramer's rule.

根据经典微分几何中双参数曲面族的包络原理，运用球面参数坐标和Cramer法则，给出了球域Bézier曲面边界的精确数学显式表达式。

There was this fan letter that a young fan sent me.. the letter was in an envelope which was the placed inside a plastic bag.

有一个小年纪的饭送了一封信给我，那信是在一个塑料袋包着的信封里。

The inverse envelope method can be used to extract the numerical value of the section of a fan-shaped.

依据扭制钻头工艺，建立了相应的数学模型，采用逆包络法求得扇形板截形数据，并用圆弧拟合以符合工厂生产的生产实际

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。