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In order to improve the quality of sounding data and reduce the sounding balloon drifting error, China Meteorological Administration puts forward an expansion code scheme.

为了提高高空观测数据的质量,减小在探测过程中由于气球漂移造成探测资料在空间上的误差,中国气象局提出一套探空、测风报的空间、时间扩充编码方案。

To investigate the impact of height-depending sounding balloon's drifting on numerical prediction and extract to the full utility of soundings, a positioning scheme is designed to locate the balloon's position at every pressure level, based on sounding principles.

为了考察探空资料随高度的漂移对高分辨率数值预报模式的影响,充分发掘探空资料的应用价值,根据探空资料的探测原理,设计定位方案,计算出了各气压层上探空气球所处的实际位置。

The main results are as follows:(1) the distance a sounding balloon drifts during operation is a lot longer than that is accepted as a horizontal resolution by present numerical models;(2) the positioning scheme presented for sounding balloons is basically applicable to a resolution of 10 km × 10 km;(3) on the whole, the position correction leads to the fact that the resulting analytic increment field is one order of magnitude smaller than the original;(4) analysis of the model predictions shows that soundings, when positioned,leveled soundingswould improve predictions.

结果表明:探空气球在施放过程中的漂移距离远远超过目前数值模式可取的水平分辨率;所设计的探空气球定位方案对水平分辨率为10km 10km的数值预报模式基本是可用的;总的来讲,位置订正对分析增量场的改变与原分析增量场相比小一个量级。模式预报结果显示,探空资料的定位使降水预报效果得到了改善。

When the CDOM concentration ρ≥150mg/L, the excitation and emission wavelengths in the SFS spectrograms moved blue with decreasing CDOM concentration, and the SFS spectral shapes also changed; when ρ50mg/L, the excitation and smission wavelegths in the SFS spectrograms didn't move, and the SFS spectral shapes were invariant, but the fluorescence intensity decreased with decreasing CDOM concentration.

不同质量浓度CDOM水溶液的SFS显示,当质量浓度ρ≥150mg/L时,随着质量浓度降低,激发和发射波长也向短波长方向移动,其谱形也发生变化;当ρ50mg/L时,激发和发射波长不发生漂移,谱形不变,荧光强度随质量浓度降低而降低。

Take care to avoid drawing any current from the standard cell, which would cause the cell voltage to drift.

注意不要从标准电池中吸取任何电流,因为这将会引起标准电池的电压漂移

Mean shift based image segmentation algorithm is a kind of kernel density estimation based feature space analysis algorithm, and the nature of it is statistical optimization.

均值漂移算法是一种基于核密度梯度估计的特征空间分析算法,其实质是一种统计优化过程。

The subduction of Tethys Ocean would like to subduct at least from the middle Jurassic so that they can produce Yeba-arc along the southernmost margin of Lhasa continental block.

日喀则特提斯可能于中侏罗世已存在俯冲并形成了拉萨地块南缘的包括正常岛弧安山岩-英安岩-流纹岩组合的叶巴弧;在晚侏罗世,印度板块继续向北漂移,虽然受到拉萨地块的阻碍,但新特提斯洋沿着拉萨地块南缘的俯冲仍然继续,形成了叶巴弧南部的桑日岛弧。

Insect orientation mechanisms mainly include sun compass,magnetic compass,celestial cues,polarized light,compensation for wind drifts and wind orientation.

昆虫的定向机制包括太阳罗盘定向、地磁定向、星空标志定向、偏振光定向、对风漂移的补偿和风定向等。

The experiments show that our method can avoid the tangential drift and preserve the feature of the mesh.

实验表明该算法可以有效的避免了切线方向的漂移,并且能够有效的保持网格特征。

TELESIS ; error matrix ; drift chamber ; wire spatial resolution ; Monte Carlo simulation

运动学拟合;误差矩阵;漂移室;单丝分辨率;蒙特卡洛模拟

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。