凹的

The second, according to mapping function of blank and product sections, and to many interpolating functions along model-cavity vertical surface, paper has built mathematics model, fluid surface function of special-shaped product plastic deformation and velocity field, gotten basis theory for metal forming prediction, for example empty drawing metal pipe thickness homogeneity and special-shaped product fluid regular, die parameter optimization and integration research of die CAD/CAM.

根据拔制坯料和制品截面映射函数和模腔纵向多种插值函数（直线型、凸型、凹型和三次多项式型），建立了相似异型材、圆形坯料——异型材和异型材——异型材三维金属拔制塑性成形的数学模型和异型材塑性成形的流面方程及流动场方程，为预报金属成形规律（如：空拔管壁均化、异型材流动规律），模腔参数优化及其CAD／CAM一体化研究提供了理论基础。

First, second and third position sensor controllers control the focus servo to focus the He--Ne laser beam on the glass substrate in response to the pit width of the glass substrate by sensing the laser beam for focusing reflectedupon the glass substrate.

此聚焦系统利用第一、第二、第三光点位置敏感器去控制氦一氖雷射，使其能够在玻璃基板上产生正确的凹坑宽度，而第一、第二、第三光点位置敏感器即藉著聚焦在玻璃基板上反射而回的氦一氖雷射作为聚焦控制。

A rectangular groove cut into a board so that a like piece may be fitted into it.

开榫槽把木板切割成长方形的凹槽，以便相似的板能被放进去

The alveolar cavities were made of single-layer capillary networks and the alveolar cavities varied in size. The alveolar cavities were half-hollow spheres, concave to outside and base to inside.

单层毛细血管网围成肺泡腔，腔体大小不一，伸展状态较好的肺泡呈现出凹面向外，底面朝内的半空心球状结构。

Etching by hand-operated after the formation of fine lines, or besidesyour in the image area and extra printing plate materials.

雕版制卡和会员卡制息的历程，是先在印版上蚀刻安排好的凹下图像，再不兵这一图像转印到承印物暗不天。

Based on this, the design concept and design parameters for the mid-concaved profiles with corrected involute of high precision gear hobs were made definite.

明确了高精度透平齿轮滚刀所采用的修缘渐开线中凹齿形的设计思想和设计参数。

A: (1) to thread a needle position and the location to the end of the needle for accurate;(2) to thread a needle, thread a height that you want to play your cards right-to-lead down to needle can be hook line hook the hyriopsis accurate;(3) to thread a needle and the top of the line hyriopsis-Kwan, the distance to 0.7-1 ~ guests'glasses;(4) homulus line-pin recesses to smooth, hook-billed is not too large or too small, so as not to overly homulus line, break, and so on.

答：(1)穿线针位置与底针位置要对准确；(2)穿线针高度要得当，穿线针引线下降时以能被钩线三角准确钩住为准；(3)穿线针与钧线三角顶端工作时的距离一般以0.7—1mm为宜；(4)钩线针的凹槽要光滑，钩嘴不可过大或过小，以免造成不钩线、断线等故障。

In our systems,integrands in cost functionals need notto be concave in the state variables.

需要指出的是，在这里不必假定指标泛函中被积函数关于状态变量的凹性。

The gravure presses at Eastern Company's factory in Egypt already had older generation Ex ionising bars fitted to control static.

在东方公司在埃及的工厂的凹印机已经老一辈前电离酒吧装有控制静态。

Jia clear that follow Kangs road he can reach the peak of literature and the big extent reached of art surely.

贾平凹明白自己跟川端康成有很多相似之处，走川端康成之路，一定能达到艺术的大境界、文学的高峰。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了