区间估计是包括样本统计量在内的一个区间,该区间通常是由样本统计量加减估计标准误差得到的。()
参考答案:对
Why is setting goals so important? __1._________ goals can help you do, be, and experience everything __2._______ you want in life. Instead of just __3._______(let) life happen to you, goals allow yourself to make your life happen.
__4.________ (success) and happy people have set lots of goals to help them reach their aims. By setting goals you are taking control of your life. It’s __5._______ having a map to show you __6.__________ you want to go.
Winners in life set goals and follow through with them. Winners decide what they want in life and then get there by making plans and __7.___________ (set) goals. __8.____________ (success) people just let life happen by accident. Goals aren’t difficult to set, and __9.___________aren’t difficult to reach. It is up to you to find out what your goals really are. You are _10._____________one who must decide what to do and in what direction to aim your life.
二氧化碳系统开机顺序为,先开启()压缩机内加热管和进出口阀门。