着重评介了铝镍钴系永磁材料 、 铁氧体永磁材料 、 稀土永磁材料和粘结永磁材料四大系列.Emphatically reviewed four systems of permanent magnet material : Al - Ni - Co magnet, ferrite magnet, rare - magnet and glue magnet.特殊工业陶瓷、磁性材料及制品, 包括氧化锆 、 氧化铝材料制作的机械件, 钕铁硼、铝镍...
Diabetics cannot metabolise glucose properly.糖尿病患者不能够正常代谢葡萄糖。Glucose is soluble in water.葡萄糖可溶于水。I gave him an extra dose of glucose to pep him up.我给他多注射了一剂葡萄糖以增强他的活力....
那石级长满了地衣.The stone stairway was covered with lichen.墓碑长满了地衣,已在崩落.The tombstone was lichenous and crumbling.在南极洲所发现的植物只有藻类 、 苔藓和地衣.The only plants to be found in Antarctica are algae, mosses, and lichens....