approach sign是什么意思

网络释义

用法例句

Improvement and Analysis of Overheat of Lead Terminal in LV Winding;

低压绕组引线端子过热的原因分析及改进

New High Frequency Welding Technique of Transformer Lead;

变压器引线高频焊接新工艺

Calculation for Mechanical Strength of Transformer Leads in Short-Circuit Condition;

变压器引线短路机械强度计算

The integral gold plating on the hybrid integrated circuit (HIC) package that has more leads and bigger volume will lead production cost to increase.

混合电路外壳引线多、体积大 ,用整体镀金技术导致成本加大 ,而封装时只需引线镀金。

The transport characteristics of a system formed by a quantum dot connecting to two ferromagnetic leads, whose magnetic moments are oriented at an angle with respect to each other, have been studied.

利用Bulka建立的量子点模型,研究了当左右引线的磁矩夹角为θ时该体系的量子输运性质;利用Keldysh非平衡格林函数方法研究了电流随偏压V、温度T和磁矩夹角θ的变化,给出了近滕(Kondo)区中的非线性电导,并得出电导中的近滕顶点高度受磁矩夹角θ的调制的结论。

The applied stresses of lead during test were analyzed and a failuremodel of fatigue fracture for leads was established.

通过SEM观察了经历不同弯曲次数疲劳试验的可伐合金引线样品,分析了引线在弯曲试验中所受的应力,提出了外引线弯曲疲劳断裂的失效模型,并讨论了施加的载荷、玻璃弯月面以及表面覆盖层对外引线弯曲疲劳断裂行为的影响。

Experiment method of 330 kV transformer without remove the down-lead;

330kV变压器不拆引线的试验方法

Study on heat treatment process of C194 copper alloy for lead frame;

引线框架用铜合金C194热处理工艺研究

Development of Cu-Ni-Si alloy for lead frame;

引线框架用Cu-Ni-Si合金的发展

Microstructure and properties of Cu-Ni-Si based alloys for lead frame;

Cu-Ni-Si基引线框架合金的组织和性能