Then the spring force on each one of them — - if I call that the spring force — will only have to be half to counter this force.
它们各自受到的弹力-，如果我称之为弹力-，将只会是，这个力的一半。
Let's call it a massless spring.
我们叫它无质量弹簧。
And this is what we call the potential energy of the spring.
弹力势能，这是势能。
The Spring Festival is in January or February. People also call it Chinese New Year.
春节在一月或二月，人们也称它为中国新年。
Miss Lin: You are right, Sam. We also call it Spring Festival.
林老师：没错，山姆。我们也称它为“春节”。
Let us do all people of good faith, let us call the integrity of the Green Spring wind everyone's heart!
让我们都做诚信的人，让我们呼唤诚信的春风吹绿每个人的心田！
We call the equinoxes spring and fall.
这两个分点，人们分别称之为春分和秋分。
Why do people call nudiflorum Lindl. as spring angel?
人们为什么把迎春花称作报春使者？
Why do people call nudiflorum Lindl. as spring angel?
人们为什么把迎春花称作报春使者？
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