After the 1960 s, China began to inoculate BCG, pertussis, diphtheria, tetanus, measles and poliomyelitis vaccines.六十年代后, 中国开始在大、中城市接种卡介苗 、 百日咳 、 白喉 、 破伤风 、 麻疹、脊髓灰质炎的疫苗的工作.The prompt administration of diphtheria antitoxi...
This is a European, and not a specifically British, problem.这是全欧洲面临的问题，而不是英国独有的问题。The group wasn'table to interest them in reproducing literature specifically for women.这个团体没能说服他们再版专门面向女性的文学作品。In recent years, docto...
Some oscillation of the fuselage had been noticed on early flights.在之前的几次飞行中，就已经察觉到机身有些摇晃。The length of the fuselage was increased due to a degree of directional instability.由于存在某种程度的航向不稳定性，机身被加长了。The problem turned out ...
Doran stuck his head out of the window to acknowledge the cheering.多兰将头探出窗户向欢呼的人们致谢。Doran was clutching the bottle with both hands and sucking intently.多兰双手紧紧抓着瓶子尽情地喝着。Lili had clearly regained her appetite but Doran was...
All human nature is divided asinto only two general sides, religious and irreligious.所有人类的天性也可以被分为两类, 即有信仰的与无信仰的.He had always been irreligious, scoffing good - naturedly at the sky - pilots and their immortality of the ...
A static electrometric method was developed to measure the mechanical parameters of a combfinger micromechanical accelerometer.为测量梳齿式微机械加速度计敏感元件的机械参数,提出一种静态电测法....