1·《1421》告诉你中国怎么发现世界；
Read 1421, about how China discovered the world;
2·这样的成功的经历，让陈奕文先生感到十分的自豪。
We named one of our wines 1421, he went on to explain.
3·大约1421年，中国水兵的岛屿上发现他们的一个航行在世界各地。
Around 1421, Chinese sailors discovered the islands on one of their voyages around the world.
4·方法采用整群抽样方法，对濮阳市4所高中的1421名学生进行问卷调查。
Methods 1421 students from 4 high middle schools in Puyang City were selected to undergo a questionnaire survey by cluster random sampling.
5·结果表明，使用RIPP- 1 42 1油浆阻垢剂能减轻分馏塔和油浆系统结垢，阻止污垢在设备上的沉积，可大大延长运转周期；
The results showed that RIPP 1421 was better than the original used antifoulants. It can lighten the fouling in fractionator and slurry system, and extend the run cycle.
6·以内蒙古民族大学在校生为研究对象，采用问卷调查法研究了1421名大学生的饮食行为。
Using students in the Inner Mongolia university for Nationalities as research subjects, diet behaviors of 1421 university students were studied by questionaire investigating methods.