查询词典 sample survey

According to the heavy-liquid separation test, the embedded granularity survey of tungsten minerals and shaking-table test of ore sample grading, the -0.7 mm granularity is determined to be selected for the gravity concentration test. The ores will be smashed below -0.7 mm . The useful minerals should not be excessively smashed. The reasonable technology procedure of ore grinding can guarantee the indexes of gravity concentration in a long length.

依据重液分离试验结果、钨矿物嵌布粒度结果及矿样分级摇床试验结果，确定重选试验的入选粒度为-0.7mm ，欲将矿石碎至-0.7mm 以下，又使有用矿物尽可能减少过粉碎，选择合理的磨矿工艺流程是确保重选指标的关键。

Through the investigation, the existent orderliness of gypsum was studied by reconnaissance and survey in locale, and analyzed the physical and chemical quality of bedrock by means of much of experiment, furthermore gained a series of dynamical parameter by considering particularly the representative nature of the sample and selecting unflabby soft rock and intact gypsum samples.

在研究中通过现场调研、勘察，分析了石膏层在泥岩中的分布规律，并且充分考虑了试验的代表性，选取松弛程度较小的泥岩和未被溶蚀的石膏岩试样，进行了大量的室内与现场试验，分析了坝基岩石的物理化学性质，并获取了一系列的力学指标。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。