食盐由40%的钠和60%的氯化物构成。Common salt is made up of 40% sodium and 60% chloride.普通食盐是钠和氯的化合物。Common salt is a compound of sodium and chlorine.食盐是钠和氯的复合物.Common salt is a compound of sodium and chlorine....
Because of their simplicity, bipolar lead systems were the first to be used in clinical electrocardiography.因为它们简单, 双极导联最先用于临床心电图学.Objective To study electrocardiography diagnosis of ischemia in patients with ventricular...
Dr Lee believes that men who exercise can halve their risk of cancer of the colon...李医生相信,锻炼身体能使患结肠癌的风险降低一半。Lee was at the hub of some incisive attacks in the second half.在下半场,李组织了几次快速进攻。" Oh , hello, Mr. Lee. How are yo...