A capacitor is used to eliminate sparking when a circuit containing inductance is suddenly opened.当含有电感的电路突然断开时,电容器可用以消除火花.a capacitor microphone电容传声器The sources of reactive power ( vars ) are machine vars, capacitor and...
Make sure the capacitor bank is voltage-free.确信电容器组不带电压。This arrangement is known as a parallel - plate capacitor.这种装置称为平行板电容器.Any two conductors separated by an insulator are said to form a capacitor.由绝缘体隔开任何两个导体就组成电容器....
The primary chalazal haustorium ramifies around the vascular tissues of the ovule.初生合点吸器沿着胚珠的维管组织分支.Seed development in most instances commences following fertilization of the ovule.大多数种子的形成是从胚珠受精开始的.Frequently the basal...
铁剂和叶酸片常被配给孕妇服用。Iron and folic acid supplements are frequently given to pregnant women.甜菜富含营养,包括叶酸, 铁元素和纤维素等.Beets are high in nutrients including folate, iron and fiber.叶酸能帮助防止诸如脊柱裂等神经管畸形出生缺陷的发生.Folic acid helps prevent ...
这个男孩因患肠梗阻死去了。The boy was suffering from a bowel obstruction and he died.其它少数情况是高位肠梗阻.A few other conditions are in high intestinal obstruction.肠梗阻时的急性腹痛常不稳定.The acute abdominal pain of intestinal obstruction usually fluc...
这艘船上的船员现在都已精疲力竭，彻底丧失了信心。The ship's crew were now exhausted and utterly demoralized.船员在救生筏上呆了两天两夜。The crew spent two days and nights in their raft.船长决定哪怕是对高级船员也要封锁这个可怕的消息。The captain decided to withhold the terrible ...