A chart shows the kinetic, potential, and thermal energy for each spring.

图表显示每条弹簧的动力、势和热能。

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For each top-level variable name, the class first checks if a bean by that ID exists in the Spring container.

对于每个顶级变量名称，该类首先检查Spring中是否存在具有该ID的Bean。

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The company described its event as "in-front, " a play on the annual "upfront" presentations that TV networks put on for advertisers each spring.

FORBES: Yahoo! Gets In Front

Instead, heads of government will regroup for further summits each spring to check on progress.

ECONOMIST: But it won��t be convincing if it can��t utter the word America

Austin, Texas (CNN) -- For a week each spring, the heart of Internet culture relocates to Austin, Texas.

CNN: Contest at SXSW will move a startup to Austin