查询词典 developable surface

The following key future research fields are needed to understand and predict Antarctic Ice Sheet mass balance: Observation and modeling of the surface elevation changes, determination of surface mass balance and its distribution over drainage basins as well as fluxes at the grounding lines and the bottom melting underneath ice shelves, understanding of the deglaciation history, development, comparison and improvement of all kinds of models related to modeling and prediction of ice sheet mass balance.

南极冰盖物质平衡未来的重点研究领域是开展冰盖表面高程变化的监测与模拟，确定表面物质平衡及其在各冰流盆地的分布，着地线的冰流通量，冰架底部的融化，了解冰后期冰盖退缩的动力过程，以及开发、对比和改进与冰盖物质平衡模拟和预测相关的各种模型。关键词：南极冰盖；物质平衡；进展与展望

As a result, the micromirrors will be adhesioned to the underlying substrate, because of the large area of segmented deformable mirrors and surface tension of water, after the micromirrors are dried, if the elastic forces can not overcome the surface tention.Secendly, several different procedures commonly used to rinse and dry released micro cantilever beams are compared: evaporation drying with deionize water or methanol, sublimation drying with t-butyl alcohol.

结果发现，由于MEMS微变形镜上极板的面积比较大，在工艺最后清洗的过程中，由于表面张力的作用，上极板极易与下极板接触，干燥以后，如果弹性回复力不能克服各种表面应力，MEMS微变形镜将发生释放粘附。

The diagnostic features for the species include deep excavation on the posteroventral margin of the premaxilla, a diastema between the premaxillary and maxillary teeth, a a number of many pits and ridges on the anterolateral surface of the antorbital fossa, the posterolateral process of the parietal being long and sharply posteriorly directed, the column ar -like margin of the pterygoid process of the quadrate, the bifurcated posterior margin of the dentary, a distinctive groove posterior to the anterior carina on the medial surface of the premaxillary tooth crowns, absence of ventrolateral processes on intercentrum of t he atlas, T-shaped centrum of the first caudal in ventral view, transverse process on anterior caudals with rounded , and strongly anteroposteriorly expanded distal end, presence of two fossae separated by an oblique ridge on the lateral side of the anterior chevrons near the articular end, and pubis strongly curved psoteriorly.

这一属种的主要鉴定特征包括：前上颌骨后腹缘有一深凹、前上颌齿和上颌齿之间有一齿缺、眶前窝外表面前部有许多坑窝和脊、顶骨侧后突伸向后方、方骨的翼骨支边缘柱状、靠近前上颌齿齿冠舌面前缘有槽、环椎间椎体外腹突缺失、第一尾椎椎体腹视 T 形、前部尾椎横突远端前后向强烈扩展呈圆形、前部脉弧近端外侧面有两个被一斜脊分离的窝以及耻骨强烈向后弯曲。通过分析千禧中国鸟龙的96个骨骼学特征，发现其中21个特征支持奔龙类与鸟类的亲缘关系最近，9个特征支持奔龙类与伤齿龙类亲缘关系最近，25个特征支持奔龙类、伤齿龙类和鸟类亲缘关系较为接近。

Polymer surface metallization belongs to materials design, this thesis studies a new method of polymer surface metallization—chemical deoxidization.

高分子表面金属化就是材料设计的一种，本文研究了高分子表面金属化的一种新技术——化学还原方法。

Moreover, to the surface measured not parallel with the video gauge, the depth focus method was described which was based on Focused Image Surface and Shape-Form-Focus .

另外，对于与视觉坐标测量机的测头测量平面不平行的表面，本文设计了调焦形貌法和正焦图像表面相结合的深度聚焦方法。

Through the studies on the local geometrical features of Tripod Operator, an approach for 3-D surface discontinuous detection is proposed at first. A Tripod Operator based description approach for free-form 3-D surface is then investigated.

并根据Tripod算子所具有的与模型无关的局部几何特性，提出一种基于Tripod算子的任意型表面整体描述方法，利用Tripod算子提取的局部特征在整个三维表面的统计特性，对三维表面进行更为简洁、准确的整体描述。

This results in what is descriptively known as honeycombing on the surface of the hardened concrete with reduced durability and strength as well as unacceptable surface finish.

这引 起硬化混凝土表面所谓的蜂窝麻面，耐久性和强度降低以及不受欢迎的表面光洁度。

The ice-making device of the present invention comprises a water tank detachably mounted to a rear surface of a refrigerator door; an ice-making housing detachably mounted to the rear surface of the door below the water tank and provided with a predetermined installation space therein; an ice tray mounted into the installation space and formed with a plurality of ice-making grooves in which water supplied from the water tank is frozen into ice; a valve assembly operating to selectively supply water stored in the water tank to the ice tray when the water tank is installed or withdrawn; and an ice bank for storing ice made in the ice tray, wherein the ice bank is installed in the installation space to be received in or withdrawn out of the installation space.

本发明的制冰装置包括：水箱，其以可拆卸方式安装到冰箱门的后表面上；制冰壳体，其在水箱的下方以可拆卸方式安装到门的后表面上，并在所述制冰壳体中设置有预定的安装空间；冰盘，其安装到安装空间中，并形成有多个制冰槽，从水箱供应的水在该多个制冰槽中冻结成冰；阀组件，其操作为当安装或拆卸水箱时选择性地将储存在水箱中的水供应到冰盘；以及储冰盒，其用于储存在冰盘中制成的冰，该储冰盒在安装空间中安装为能够放入在该安装空间中或从该安装空间抽出。

According to the principle of the diameter of a circle corresponding to the right angle and the principle of short side for little angle in right triangle, projecting the initially-chosen point to the hyper-planes of the linear equation group in which every linear equation can be regarded as a hyper-plane and the projection points can be obtained. The initially-chosen point, and one arbitrary projection point, and the solution point are all on the surface of the relative hyper-geometry ball, therein-to, there is a projection point which is nearest to the solution point and it can be regarded as the next iterative initially-chosen point, so the solution problem of the linear equation group can be changed as an iterative problem of approaching the solution on the surface of a hyper-geometry ball.

根据直径对应的圆周角足直角以及直角三角形中短边对小角的原理进一步知道，当将初始点向线性方程组中各个方程所代表的超平面上投影得到投影点时，初始点和其任何一个投影点及方程组的解点都将位于一个相应的超球面上，其中必定存在一个投影点离问题解点的距离最短，即把该点作为下一次迭代的初始点，从而可将线性方程组求解的问题变成球面上逼近解点的迭代问题。

The guiding surface comprises at least one step (22) or a sloping surface such to reduce the diametrical dimension stepwise or continuously, respectively.

导向表面包括至少一个台阶(23)或倾斜表面，从而分别阶梯状地或连续地减小沿直径方向的尺寸。

I was up all night because I was in pain, she said.

我整夜，因为我在疼痛，她说。

A crow caws /craoks.

乌鸦叫。 51-论文网