1·她住在洛杉矶玉兰街421号。
She lives at 421 Magnolia St. , Los Angeles.
2·研究人员研究了来自421个长寿家庭的859名兄弟姐妹。
The researchers studied 859 siblings from 421 long-lived families.
3·Sennheiser MD 421很流行，但是也要按照自己的安排尝试所有的动圈麦克。
The Sennheiser 421 is popular, but try all the dynamic mics at your disposal.
4·在1998财政年度，国道和交通部门完成了421虚拟环境的研究。
In fiscal year 1998, state highway and transportation departments completed 421 VE studies.
5·经过指标筛选，获得有效问卷421份，有效回收率达到91%。
After screening indicators, 421 questionnaires were distributed, and the recovery rate of 91%.
6·科学工作者发现在421个死难者中，半数显然是由于一氧化碳中毒。
The scientists found that half of the 421 deaths were clearly due to carbon monoxide poisoning.
7·在整个一系列的《星球大战》电影中，TK - 421是唯一的个体识别的暴风突击队。
TK-421 is the only Storm Trooper that is individually identified in the entire sequence of movies.
8·IDC研究公司预测，今年智能手机的全球销量将增长39%，销量高达4.2亿部。
Research company IDC expects global sales of smartphones to rise 39% this year to 421 million units.
9·方法：对本院421例大理白族婴幼儿营养不良进行调查。
Method:To investigate the causes of 421 cases of Bai minority infants with malnutrition in my hospital.
10·这些关税是在9月26日按照美国贸易法的一部份即所谓的“第421节”征收的。
The duties are to be imposed on September 26th under a part of American trade law known as "Section 421".