Values greater than 1 enlarge the object by the given factor; values between 0 and 1 reduce it.
大于1的值将按照给定因数扩大对象；0和1之间的值将缩小对象。
2
But there is a very real problem, and its name is Insulin-like Growth Factor-1 (IGF-1).
但这一个非常现实的问题，它的名字是胰岛素样生长因子- 1 (IGF - 1)。
3
Researchers have discovered that some people have a rare genetic mutation that decreases their cells' use of a particular growth hormone: insulin-like growth factor1 (IGF1).