An optimization calculation of interleaver made of cascade Mach - Zehnder fiber interferometer with square wave is forward.提出了一种具有方波形输出谱的级联马赫-曾德尔光纤干涉仪型梳状滤波器的优化计算方法.Specialty Optical Fiber , Doped Fiber , Erbium Doped Att...
The muscle fiber of this animal is diseased.这个动物的肌肉纤维产生了病变.Eating cereals and fruit will give you plenty of fiber in your diet.吃谷类食物和水果能多摄取纤维质.Rayon rank second only to cotton as the most widely used fiber.人造丝是仅次于棉花的使用得最...
Products wanted: PVC spray hoses, agricultural sprayers, sprayer nozzles and sprinklers.需要货品: PVC喷射软管 、 农业用喷射器 、 喷射管嘴及洒水器.Are there any fire hoses in the building?在这幢大楼里有消防水管吗?The trailer was connected to the car by mean...
A truck driver used his CB radio to call for help.卡车司机用民用波段无线电呼救。The CCC 、 CQC 、 CE & CB Certifications for Motors were introduced.介绍了目前电动机的CCC、CQC、CE 以及 CB认证的基本情况.CB without halogen residues, can effectively improve the...