查询词典 surfaces

Leaf blade margin serrate or crenate-serrate; achene without colored ring on both surfaces.

叶片边缘有锯齿或具圆齿有锯齿；没有彩色的环在两面的瘦果。

Leaf blade margin entire or erose, rarely inconspicuously serrate distally; achene with a purplish ring on both surfaces.

叶片边缘全缘或啮蚀状，很少难以觉察有锯齿；有一枚略带紫色的戒指在两面的瘦果。

In order to ensure the accuracy and reliability of NDT,theories about acoustic wave scattering from rough surfaces were studied.

为保证超声无损评价检测的准确性和可靠性，本文研究了粗糙界面的声波散射理论。

He said a "faint acrid smell" clings to the surfaces of spacesuits and equipment used outside the space vehicles.

他说， "微弱的辛辣气味"不放，以表面的太空服和设备使用的车辆以外的空间。

Z The fold itself represents the only solid exterior surfaces defining the form of the building and defining an edge to adjacent exterior spaces.

折叠本身的唯一坚实的外部表面的形式确定的建设和界定的优势，以邻近的外部空间。

But the feature of all kinds of AFPs is that they can adsorb on ice crystal surfaces.

而这部分吸附结合的抗冻蛋白分子是决定热滞活性关键因素。

Therefore, ion implantation is a well known method to adulterate semi-conductor and modify material surfaces as well, which has been widely used both in scientific and industrial fields.

因此，离子注入技术除用于半导体材料的掺杂外，还作为一种重要的材料表面改性手段，在科学技术和工业上得到广泛的应用。

Since the conformal structure has excellent aerodynamical performance and does not have the thermal gradient caused by the discontinuous surfaces, the missile radome with such structure may improve the velocity and effective range of the missile system.

共形结构不仅具有良好的空气动力学性能，且不存在由于表面不连续造成的热梯度等问题，因而采用该结构的导弹整流罩更有利于导弹系统作战性能的提高。

Three methods,the electrophoresis aggradation,brushed coating and water cooking method were presented to deposit MoS2 coatings in the material surfaces,and the deposited mechanisms were analyzed.

选用电泳沉积法、刷涂法和水煮法3种方法在材料表面制备了二硫化钼涂层，并探讨了3种方法形成涂层的机制。

If the convex surface of a lens is placed in contact with a plane glass plate, as in Fig. 41-9, a thin film of air is formed between the two surfaces.

如果一个凸面镜放置于平面玻璃的一个接触点上，如图41-9所示，在它们两者的表面形成一层空气薄膜。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。