查询词典 oc

Optimization solution algorithm is the most important in topology optimization.Algorithms fit for discrete structure and continuum structure are all investigated. Thecharacteristic and different using limit of both optimization criteria method andmathematics programming method are all analyzed in this paper. OC algorithm and theseries MMA algorithm based on SIMP approach are deducedand used for the topology optimization problem of continuum structure.

优化求解算法是拓扑优化问题求解的核心和关键，本文系统分析了适用于离散结构和连续体结构优化的优化求解算法，重点讨论了 OC 算法和 MP 算法，分析比较了不同算法的特点和适用范围，推导了基于 SIMP 理论的优化准则法和 MMA 系列算法，并将MMA 系列算法应用于连续体结构拓扑优化问题的求解。

Thecharacteristic and different using limit of both optimization criteria method andmathematics programming method are all analyzed in this paper. OC algorithm and theseries MMA algorithm based on SIMP approach are deducedand used for the topology optimization problem of continuum structure. MMA algorithm hasa bad convergence but it has a high computational efficiency, while GCMMA is excellent onconvergence and stability with bad calculation efficiency.

优化求解算法是拓扑优化问题求解的核心和关键，本文系统分析了适用于离散结构和连续体结构优化的优化求解算法，重点讨论了 OC 算法和 MP 算法，分析比较了不同算法的特点和适用范围，推导了基于 SIMP 理论的优化准则法和 MMA 系列算法，并将MMA 系列算法应用于连续体结构拓扑优化问题的求解。

Ferrochromium soldering :power keep no more than 40W,tip temperature should not pass 280 oC,soldering time within 3 second, welding position and lens should keep 1.6mm distance at least

铬铁焊接时铬铁功率不要超过40W，尖端温度不要超过280 oC，焊接时间不要超过3秒，焊接位置最少与胶体保持1.6mm距离。

Of these peoples, those who say oc live in the western part of southern Europe, beginning from the boundaries of the Genoese.

说"oc"的人生活在南欧的西部，以热那亚为边界。

OC observed are mainly caused by the competition between grain growth andthermally induced interdiffusion or reaction at grain boundaries.

oC之间的饱和现象是晶粒生长、层间扩散与反应共同作用的结果。

For interoffice transport the objective refers to a two way broadband channel, e.g. SONET OC-N, over a 250 mile path.

对于局间传输，其目标指双向宽带信道，例如SONET OC-N，使用250英里传输通道。

S industry, but it has not made up for Lucent's weakness in OC-192 business.

设备已经成为通信行业的重要组成部分，但是它并没有能弥补朗讯在OC-192业务上的劣

Equipment for this technology has become an important part of the communications industry, but it has not made up for Lucent's weakness in OC-192 business.

使用这种技术的设备已经成为通信行业的重要组成部分，但是它并没有能弥补朗讯在OC-192业务上的劣势。

Thus it is suggested that the lifetime of minority carrier should be measured by the relationship V(subscript oc that open-circuit voltage decays with time.

因此建议使用开路电压随时间的衰减关系式V(下标 oc测量少子寿命的方法。

The total numbers of polyps removed in the CTC and OC groups were 561 and 2434, respectively.

在CTC组和OC组中切除息肉的数目分别为561和2434例。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。