A survey to make high density multilayer thick film surface mount assembly and measures adopted for mount design and manufacturing technology for them are introduced.
介绍了研制大面积高密度多层厚膜表面组装件的概况及组装设计与制造工艺上所采取的措施。
We forecasted potential of gold mine resource in Wulaga Au geochemical block in the north of Jiamusi block by using the method of ultra-low density geochemical survey.
运用超低密度地球化学调查方法,对佳木斯地块北缘乌拉嘎金地球化学块体的金矿资源潜力进行了预测。
The content of the survey involved the volume density, surface and length densities.
内容涉及到各种组织的体积分数、面积密度、长度密度等。
On the base of McDonald's previous work, this paper put an emphasis on the survey of modern urban density functions, which is becoming increasingly complicated under the influence of suburbanization.
本论文在此基础上,着重对反映城市化(尤其是其中的郊区化)进程中日趋复杂的现代城市空间结构变化的人口密度模型进行归纳整理。
Through experimental research of petroleum remote sensing survey in the southeastern uplifted area in southern Songliao Basin, oil and gas indicative significance of linear image density is discussed.
通过松辽盆地南部东南隆起区遥感找油气试验研究,论述了遥感线性影像高密度区具有油气指示意义。
In ecology, line transect survey is one of the most widely used method to assess the biomass density.
中文摘要在生态学中估计生物数量密度时,线上穿越抽样法是一种常用的方法。
Infrared survey practice showed that the rock density change aroused by geological structure is the leading factor that affects rock body surface infrared radiation distribution.
红外探测实践表明,地质构造引起的岩石密度变化是影响岩石表面红外辐射分布的主导因素。
Through experimental research of petroleum remote sensing survey in the southeastern uplifted area in southern Songliao basin, oil and gas indicative significance of linear image density is discussed.
通过松辽盆地南部东南隆起区遥感找油气试验研究,论述了遥感线性影像密度的油气指示意义。
The survey accuracy and density of points shall be suitable for the purposes of measurement or as instructed by the Engineer.
测量的准确性和密度应符合测量目的或工程师的指示。
Methods: Questionnaire was used to survey the dietary nutrition status of 894 postmenopausal women. The relationship between bone density and some factors were also analysed.
方法:以问卷调查方式对894名绝经后妇女的膳食营养状况进行调查,并对某些因素与骨密度的关系进行相关分析。
In a certain given gravity survey area, it is unreasonable to use the united density value to calculate the Bouguercorrection values of the whole area.
特定的重力勘探区,用统一的密度作布格外部改正有一定的不合理性。
The MCS 51 single chip machine is used to design the gas monitoring system, which can survey the change of the gas density in the room correctly and offer the alarm signal.
采用MCS -51系列单片机来设计可燃气体监测系统,能准确探测室内气体浓度变化规律,并能显示气体浓度的大小,提供报警信息。
Test and research work is carried out on engine test bench to survey the effect of gum content in gasolene upon gasolene engine power and harmful exhaust gas emission density.
在发动机试验台上进行了汽油中胶质含量对汽油机动力性和有害气体排放浓度影响的试验研究。
First select the density in the GPS network in proper, more uniform distribution, several GPS point around the entire survey area, and then to consider level logging options.
在GPS网图上先选取密度适当、分布较均匀,包围整个测区的若干个GPS点,再来考虑水准联测方案。
Then, the processes of computing the vector values of POI objects are discussed by the methods of questionnaire survey, multi-density spatial clustering and data normalization respectively.
然后,分别讨论了利用问卷调查、多密度空间聚类和数据规格化的方法计算POI对象的各项显著性指标值的过程;
The airborne laser scan system for acquiring 3d terrain data directly is better than the conventional survey. There are the advantages of high precision, high density, and high efficient and low cost.
激光三维扫描技术可以直接获取地面三维数据,比传统测量方法具有高精度、高密集、高效率和成本低的优点。
GPS survey and the method of high density resistance rate are two kinds of the advanced practical techniques in admin...
GPS测量及高密度电阻率法两种先进实用技术,是项目实施的先进手段。
It's the survey of the ultraviolet fluorescence method to survey uncertain degree of measurement of the evaluate of the Density of Sulphur dioxide gas in Nitrogen.
采用紫外荧光法测定氮气中的二氧化硫气体浓度的测量不确定度。
Through field survey of wind sand flow movement in the 100 km wind area along the Lan-Xin Railway, a new concept, the density of wind sand flow, is put forward.
通过对兰新铁路百里风区戈壁风沙流进行现场观测研究,提出风沙流密度的新概念,解决风沙流研究中如何利用现场定时观测研究风沙流动态变化特点的重大技术难题。
Through field survey of wind sand flow movement in the 100 km wind area along the Lan-Xin Railway, a new concept, the density of wind sand flow, is put forward.
通过对兰新铁路百里风区戈壁风沙流进行现场观测研究,提出风沙流密度的新概念,解决风沙流研究中如何利用现场定时观测研究风沙流动态变化特点的重大技术难题。
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