查询词典 envelope

H〓 control for parameter perturbation system is studied and this technique is used to design large envelope augmented stability flight control system.

应用H〓控制理论进行大包线飞行控制系统的设计。研究了参数摄动系统的H〓稳定控制器的设计，并应用此方法进行了大包线纵向增稳系统设计。

Bandwidth Efficient Constant Envelope Continuous Phase QPSK Modulation ［J］.

带宽有效包络恒定的连续相位QPSK调制［J］。

For the first month after explosion of SN1987A, the photosphere radius increased because the envelope was opaque and expanding.

超新星在爆发后的一段时间内，爆发能集中在较小的光学厚区域，可近似为一黑体辐射源。

The pilot uses the propane burner to control how high or low the balloon flies. To go up, he or she turns up the burner to make the air in the envelope hotter. To go down, the pilot just lets the air cool down.

驾驶员会通过丙烷燃烧器来控制气球飞的高度，想要飞高时，他或她就会打开燃烧器加热气囊内的空气，若想要降低高度时，驾驶员只要让空气冷却下来即可。

As it opens, the pilot uses a propane burner to blow hot air into the envelope. The balloon then rises as it is inflated with the hot air until it is upright.

当气球充好气后，驾驶员会使用丙烷燃烧器将热气灌入气囊，当热空气渐渐增加，气球会慢慢的上升，到最后会完全竖立起来。

Viral infection of the host cell may be switched on by the specific and stable combination of one or several viral envelope protein with one or several glycoprotein receptors available on the cell membrane, which is followed by viral pinocytosis or viral fusion with cell membrance, viral deenvelope, viral particle movement from cytoplasm towards nucleus and the viral gene passage.

病毒感染细胞可能是通过一个或几个病毒包膜蛋白与一个或多个细胞膜上的糖蛋白受体特异稳定地结合而启动，通过病毒胞饮作用或者病毒与胞膜融合、病毒脱包膜、病毒粒子从胞浆到胞核的运动和病毒基因通过核膜的传代将会发生；但参与这些动力过程相关的病毒、细胞结构和生化因子仍不清楚。

Mol·L~(-1) individually and also with both heavy metals present. Plasmolysis, concentrated cytoplasm, disappear ance of the cristae of mitochondria, ambiguity of framework and destruction of mitochondria envelope were all symptoms of root cells under Cu stress; hollowing cells was also found in Cd treatment, and there existed some different granule in these hollowing cells.

铜使根细胞产生质壁分离、细胞质浓缩、部分细胞空泡化，使线粒体脊突消失、结构模糊、外膜破坏；镉使根细胞空泡化，并在部分空泡化的细胞里产生大小不等的颗粒状物；铜、镉交互污染使根细胞受害程度加深，并兼有两者的受害症状特征：线粒体结构彻底破坏、空泡化细胞里的颗粒物更大电子密度更高、质壁分离现象更普遍、质膜上的颗粒物沉淀更大。

She sealed the envelope and put it in the postbox.

她封上信封后把信放入邮筒。）我要自考网

I still remember the act of putting that envelope in the postbox, thinking,'That's my life; it will change now.

我依然记得自己把那个信封放进邮箱的那一刻，心里想着：'那就是我的生活，从现在开始它要改变了。

David put the stamp on the envelope, dropped it into a postbox, and suddenly he let out a cry.

大卫把邮票贴在信封上，把它扔进一个邮箱，突然他大叫一声。

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。