Growing on a lower surface of a structure, as fungi on leaves.
长在下边的；下位的：长在一个结构的下部表面上，比如叶子上的菌类。
One time clamping can finish the cleaning of the upper and lower surface of the profile.
一次装夹就可完成型材上下焊缝的清理。
The absorbing layer is clamped between the upper surface layer and the lower surface layer.
吸收层夹设在上表面层和下表面层之间。
The beam is one cuboid with curved upper and lower surface fitting each other closely and fixed together.
横梁是个近似的长方体，它的上表面是曲面与面板的下表面相吻合，两者固定连接。
Ursidae that have a shaggy coat and a short tail and walk with the entire lower surface of the foot touching the ground.
熊一种通常具危险的熊科哺乳动物，有浓密的毛发和短尾巴，行走时脚的较低表面触地。
The aerodynamic characteristics of an airfoil with a jet issuing from its lower surface are investigated by numerical method.
应用数值方法模拟了飞行器升力面下表面喷气的增升作用。
The surface of the slide way base plate is provided with a plurality of slide ways arranged on the lower surface of the tray clamp.
一托盘夹具，其设于该滑道基板的另一表面，用以夹固该托盘；
The machining of valve bore with diamond reamer features high productivity, long service life of reamer and lower surface roughness.
采用金刚石铰刀加工阀孔，生产率高，刀具寿命长，表面粗糙度低。
Of a leaf shape; round with the stem attached near the center of the lower surface rather than the margin as a nasturtium leaf e. g...
一种叶子形状；圆形，其茎依附在较低表面的中心附近而非边缘，比如旱金莲花叶等等。
Forging die is the most suitable for high Speed Milling application, because of its high hardness I material and lower surface roughness.
而各式模具中又以鍜模最为适合，因其模具材料硬度较高且模穴表面粗度要求较低。
The lower surface roughness and smooth microform by electrochemical finishing not only enhance highly the life of gear, but reduce the noise.
齿面经过脉冲电化学光整加工后表面粗糙度低、微观几何形貌平滑，不仅使齿轮寿命大幅度提高而且工作噪音也大幅度降低。
When they descend to 50 meters or deeper, they must return to the surface slowly, to allow their bodies to readjust to the lower surface pressure.
当他们潜到50米或更深之后，必须缓慢的回到水面，才能使他们的身体重新将压力调节到低一些的水面气压。
The latching construction comprises lock pin installed in the hole of lower surface of renovated recess and card slot corresponding to bottom shell.
锁止结构由安装在前盖翻盖凹槽下平面孔内的锁芯和底壳内对应的卡槽构成。
The main factors to affect perennial mean temperature in Jiangsu Province are latitude, sea, large scale weather situation and local lower surface conditions.
影响江苏多年平均气温的主要因素是地理、纬度、海洋、大型环流以及局地下垫面条件。
The outer surface of the rolling element is substantially coincident with a locus (149), or virtual surface, described by the lower surface of the support member.
滚动元件的外表面与支承构件的下表面所描述的轨迹(149)或虚拟表面基本一致。
Besides, the whole stability of the ball buddy is increased since that the lower surface of the added direction indicator enlarges the contact surface with ground.
此外，由于增设的方向指示器下平面扩大了与地面的接触，提高了球托的整体稳定性。
Each support member comprises a curved lower surface (146) and a rolling element (148) located within a recessed portion of the lower surface of the support member.
每个支承构件包括弯曲的下表面(146)和位于支承构件的下表面的凹进部分内的滚动元件(148)。
In various reasons, it is a main reason that oleophilic, low -molecular weight substances which lower surface tention concentrate at the wod surfaces during storage.
文章总结了木材表面钝化的原因，其中在贮存期间，亲油的、低分子量物质移到木材表面形成低表面能是木材钝化的主要原因。
This article analyzes the causes of the lower surface strength in some practical concrete projects, discusses the influence of fly ash on the concrete surface strength.
对部分混凝土工程实例中表面强度偏低的原因进行分析，论述了粉煤灰对混凝土表面强度的影响。
The copper target materials obtained through the processing method for the copper target materials has better consistency of surface grains and lower surface roughness.
通过所述铜靶材的加工方法获得的铜靶材具有较好的表面纹路一致性，以及较低的表面粗糙度。
The paper describes a gravity inversion the lower surface of two dimensional rectangle prisms which are in two rows can delineate the undulations of two density interfaces.
本文提出了应用两层二度矩形棱柱体的下界面近似地模拟两个密度界面起伏的重力反演法。
The utility model discloses a bicycle saddle which comprises a saddle (1); and a box (2) dedicated for holding rain coats is arranged on the lower surface of the saddle (1).
本实用新型公开了一种自行车车座，包括车座(1)，车座(1)下面有专用装雨衣的盒子(2)。
With preheating temperature enhancing, the peak value also increase, but cooling velocity decreases, resulting from the decrease of heat conductivity of sample lower surface.
随着预热温度的提高，电阻峰值也相应增大，但是样品下表面的热导出率下降，冷却速度下降；
The external end-surface of the lower layer is provided with a paper layer or a plastic film which is bound together with the lower surface layer through the non-setting adhesive.
下表面层外端面上设有一层纸或塑料膜，并通过不干胶与下表面层贴合在一起。
For the lower surface, wind speed generally little effect on the severity of the contamination, but the composition of pollutants in the environment impact the insulator salt density greater.
对于绝缘子下表面，风速一般对积污严重程度影响不大，但环境中污染物的成分对绝缘子盐密值影响较大。
Simulation result was verified by the temperature on the lower surface of the sheet metal, which was measured by the thermocouple temperature transducer measuring under the laser scanning line.
通过温度传感器测量与激光扫描线相对应的薄板下表面温度变化的规律来验证数值模拟的结果。
Simulation result was verified by the temperature on the lower surface of the sheet metal, which was measured by the thermocouple temperature transducer measuring under the laser scanning line.
通过温度传感器测量与激光扫描线相对应的薄板下表面温度变化的规律来验证数值模拟的结果。
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