Completely new product concept ? durable & reliable the huier men cares much to the challenge of increasingly shorter development period and the solution of components with lower costs , they are devoted to the demand spurred by technical drive and to the development of more durable and reliable curtain wall series products 惠尔人直视日益缩短的产品开发中期和对较低成本元件解决方案的需求的挑战，致力于满足由于技术驱动引发的需求，研发更耐久，更可靠的幕墙系列产品。
There is not a significant difference ( p > 0 . 05 ) for estimating of age between the trf of intramuscular and that of dermal . conclusion the gradual shortening of trf in dermal and intramuscular cells of human has a obvious correlation with the age , it has a fast shorten in the adolescent , and then it has a relative slower shorten in the adult 11 }西医科丸学2 ( ) ( ) 3届硕1学位论文结论皮肤、肌肉的端粒dna片断长度随着年龄的增加而逐渐缩短，其随年龄缩短的速率在各个年龄段不同，青少年时期缩短的速率较快，成年后缩短速率相对减慢。
