|
By using the data derived from the permanent plots in Wugong Shan Forest Farm, Jiangxi Province, China, the author of this paper analyzed and contrasted the species diversity and vertical structure between two kind of Chinese fir(Cunninghamia lanceolata(L
|
|
|
根据在江西武功山林场定位研究的调查材料,对以残留物管理育林法和以传统育林法所培育的两种杉木林分,在物种多样性以及垂直结构等方面,进行了对比分析。 |
|
By using the data of LAI in 3 years, the equation is greatly authentic.
|
|
|
提出了精确的且唯一确定的归一化方法。 |
|
By using the de-interleaving memory combined with memory address computation for the interleaved data, frequency de-interleaving, block de-interleaving and time de-interleaving are performed in one-stage approach in the COFDM receiver.
|
|
|
藉由利用反交错记忆体结合对该记忆体存取位址的计算，频域反交错、区块反交错与时域反交错在正交编码分频多工接收器中以单一阶段技术来执行。 |
|
By using the eigenfunction expansion technique, a one-dimension finite element formulation is then developed to determine the eigensolutions to the 2D heat conduction problem at the crack tip, which discretizes the sectorial domain circumferenially.
|
|
|
利用特征方程展开方法，可获得分析裂纹尖端处二维热传导特征解的一维有限元列式。 |
|
By using the finite-step iteration of nonlinear compensation sequence, an approximate optimal disturbance rejection control law is obtained.
|
|
|
通过截取非线性补偿序列的有限项，可以得到近似最优扰动抑制控制律。 |
|
By using the hydraulic torque converter to drive the mud pump, both the prime motor and the working machine can be protected, and the pump pressure can be controlled in the whole course of drilling if the rated rotary speed of the diesel engines is kept.
|
|
|
通过液力变矩器驱动钻井泵可同时保护原动机和工作机；在保持柴油机额定转速的条件下，可实现泵压的全过程控制。 |
|
By using the improved gravity model and gray theory model, the essay makes forecast analysis on future passenger traffic volume of Shjiazhuang-Taiyuan passenger-dedicated line from three aspects, including passenger flow of local line, passenger flow orig
|
|
|
摘要利用改进的重力模型和灰色理论模型，从石太客运专线的本线客流、跨线客流和诱增客流3个方面，分别以客运通道周边城市的GDP和人口分布密度、石太客运通道既有线的旅客运输量、城市间的加权运行时间为影响因子，对石太客运专线的旅客运输量进行预测分析。 |
|
By using the inner boundary conditions, a kind of boundary value problem of three dimensional partial differential equations with discontinuous coefficients is transformed into a variational and functional one so that a difficult problem is simplified.
|
|
|
摘要通过使用内边界条件，使一类具有间断系数的三维偏微分方程的边值问题的解法能够转化为变分与泛函极值问题的解法，使复杂方程问题简单化。 |
|
By using the limit theorem, the authors discuss and prove conclusions of asymptotic property of mean point in second mean value theorem for integrals in concessional terms believing that they will take an important effect in integral.
|
|
|
摘要利用极限理论，给出并证明了减弱条件的积分第二中值定理“中值点”的渐近性的几个结论，相信在积分学中有著很重要的作用。 |
|
By using the machine vision technology, the sprue on the barrel in liquid filling system could be successfully detected.
|
|
|
摘要介绍了剧毒液体灌装桶口自定位系统应用的机器视觉技术，成功地实现了加注口的识别与空间定位。 |
|
By using the mathematical model for LFG pressure distribution under a vertical extraction well, method of optimum design of landfill gas collection system with vertical extraction wells was discussed in this paper, including the determination of LFG extra
|
|
|
本文利用竖井抽气条件下填埋代压力分布模型，分析讨论了抽代系统各参数对对抽气效果的影响，提出了垃圾填埋场填埋气竖井收集系统的抽气量、抽气井影响半径、抽气井埋深的优化设计方法，可爲填气污染控制与回收利用系统的规划设计及运行管理提供技术支持。 |
