图 4-9 中使用的机械式继电器, 可以用电子开关来代替.The mechanical relays , which have been assumed in Fig . 4 - 9 , can be replaced by electronic switches.用继电器操作的一种可视信号或音响信号装置, 用以指示有关电路的情况.A visual or audible signaling device , operated by re...
a disease that can afflict women past the menopause更年期后的妇女易患的一种疾病There are two main problems which afflict people with hearing impairments...听力有障碍的人们主要受到两大问题的困扰。Famine and war still afflict mankind.饥饿和战争仍使人类遭受痛苦.New medi...
The food here satisfies gourmands rather than gourmets.这里的食物可以管饱却不讲究品质。It satisfies the user's requirements both functionally and emotionally.它同时满足了用户在功能和情感上的需求。For straight - winged tailless airplanes, only the neg...
英国拥有欧洲最大也是最具繁殖能力的狐狸种群。Britain has the largest and most flourishing fox population in Europe.个体的集合称为种群.A group of individuals can be called a population.种群一词仅仅指的是某一地区的全部个体.The word population merely denotes all the indivi...