保持 (维持; 使不消失或减弱) keep; hold; retain; maintain; preserve 保持安静 keep quiet; 保持优势 hold on to a dominant [favorable] position; 保持警惕 maintain vigilance; be on the alert; 保持清洁 keep clean; 保持优良传统 preserve good traditions; 保持劳动人民的本色 retain the characteristics of the working people; 保持冷静的头脑 keep a cool head; keep cool; 保持跳高纪录 retain the high jump record; 保持优良品质 retain the fine qualities; 保持党政机关的廉洁 keep the party and government departments honest and clean; 保持活力 maintain vitality; 保持均势 maintain parity; 保持安全距离 wide berth
Modal birefringence of polarization - maintaining fiber 偏振保持光纤的模式双折射
H - parameter test method for polarization - maintaining optical fiber 偏振保持光纤的h参数试验方法
Polarization crosstalk test method for polarization - maintaining optical fiber and components 偏振保持光纤及其部件的偏振光串干扰试验方法
Return loss of connectorized polarization - maintaining fiber or polarizing fiber pigtailed devices and cable assemblies 使用连接器的偏振保持光纤或偏振光纤引线装置和光缆组件的回波损耗
Insertion loss of connectorized polarization - maintaining fiber or polarizing fiber pigtailed devices and cable assemblies 使用连接器的偏振保持光纤或偏振光纤引线装置和光缆组件的插入损耗
Pm fibre optic interconnecting devices and passive components . basic test and measurement procedures . part 3 - 40 : examinations and measurements . extinction ratio of ? polarization maintaining fibre pigtailed connector 纤维光学互连接装置和无源元件.基本试验和测量程序.第3 - 40 :检验和测量.偏振保持
Fotp - 227 - iec 61300 - fiber optic devices and passive components - basic test and measurement procedures - part 3 - 24 : examinations and measurements - keying accuracy of optical connectors for polarization maintaining fibre Fotp - 227 - iec 61300 .纤维光学装置和无源元器件.基本试验和测量程序.第3 - 24部分:检查和测量.偏振保持光纤用光连接器的键控准确性
Fibre optic interconnecting devices and passive components - basic test and measurement procedures - examinations and measurements - keying accuracy of optical connectors for polarization maintaining fibre - part 3 - 24 : examinations and measurements - keying accuracy of optical connectors for polarization maintaining fibre 纤维光学互连器件和无源元件.基本试验和测量程序.检查和测量.采用偏振保持光纤连接器键入准确度
The loss will be decreased by using single - mode fiber or poledzation holding fiber in recent work we measured the verdet constant of the samples and tested the chederistic of magnetic - optical glass bare fibel then , we analyzc the resource of ermrs , which are coupling effect , stability of the light source , polarizers , defects of the magnetic - optical glass flber and coupling effects between different modes 采用单模光纤或偏振保持光纤将降低损耗。论文测试了样品的费尔德常数,研究了磁光玻璃裸光纤的偏振特性。分析了误差的主要来源:耦合效果、光源的稳定性、偏振片对光路的影响、裸光纤自身缺点和模式耦合的影响。