Distribution difference of the birds in the reserve occurred not only on level pattern but also on an altitudinal gradient.
保护区鸟类的分布，不仅在水平格局上存在一定的地域差异，而且在海拔梯度上也有明显的差异。
The finite difference method is used to solve the coupling model, and the influence of starting pressure gradient on the distribution of groundwater pollutant concentrations is analyzed.
采用有限差分法和混合有限分析法对耦合模型进行数值求解，并分析了启动压力梯度对地下水污染浓度的影响。
T he results of the basic research show that a tri-axial stress will be produced in the tensile specimens because of components property difference of the metal matrix gradient composites (MMGC).
理论研究表明，金属基梯度复合材料（MMGC）各组分性能的差异使其在拉伸变形时产生了三轴应力。
The pressure gradient and the difference in temperature between day and night were often the key obstacles to meet the requirement of standard laboratory animal facilities.
梯度压差和日温差是影响实验动物科技设施环境条件达标的关键。
An online block algorithm for frequency domain blind deconvolution was proposed based on the complete mutual information gradient and the properties of the score function difference (SFD).
基于完全互信息梯度表达式及得分函数差分的性质，提出一种在线频域盲解卷积块算法。
By theoretical calculation, it is found that the same earth temperature gradient leads to the greater difference of temperature stress in different kind of rocks.
理论计算发现，相同的地温梯度在不同的岩石中引起的温度应力相差很大。
The traditional MGD (maximum gradient difference) algorithm based on the order of the image pixels matrix has the shortcomings of the large operation measure and long-time running.
车牌定位是车牌自动识别系统中关键的第一步，传统的最大梯度差算法按图像像素矩阵的顺序进行扫描和运算，存在运算量大，耗时长的缺点。
The gradient copolymers could be obtained due to the difference of reactivity ratios of the two monomers.
利用单体竞聚率差别，用一次投料法合成梯度共聚物。
The longitudinal gradient difference near structures should be measured to guide repair and maintenance of highway.
为指导维修养护，须监测结构物附近的纵坡差；
The temperature difference variation of model boundary shows the space gradient of temperature field, and the larger boundary temperature difference requires higher order.
模型边界的温差变化表现了温度场的空间梯度，越大的边界温差需越高的计算阶数。
The difference coefficient was used to replace the exact derivative which is difficult to be computed, and a new algorithm was presented by using the idea of reduced gradient method.
利用差商代替难以计算的精确导数，结合既约梯度法的思想建立新的算法；在目标函数一致凸的条件下证明了既约差商法的整体收敛性。
The difference in height between the collar stand and the collar is one of the main factors affecting the design of gradient data of lapel collar.
影响翻驳领倒伏量的因素很多，其中翻领与领座的高度差量是最主要的影响因素。
The method solves the problem of poor bonding between Cu and aluminum nitride ceramic, and can realize preparation of gradient composite with high temperature difference and poor compatibility.
本发明结合了放电等离子烧结和分步 烧结的方法，解决了金属铜和氮化铝陶瓷之间的结合困难问题，也实现了高温差、高不相容性梯度复合材料的制备。
The method solves the problem of poor bonding between Cu and aluminum nitride ceramic, and can realize preparation of gradient composite with high temperature difference and poor compatibility.
本发明结合了放电等离子烧结和分步 烧结的方法，解决了金属铜和氮化铝陶瓷之间的结合困难问题，也实现了高温差、高不相容性梯度复合材料的制备。
应用推荐