The design of the valve spring performance should be in accordance with the valve movement pattern and...

根据气门运动规律设计气门弹簧特性，按等强度原则设计组合式气门弹簧。

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Bradley, meanwhile, made an immediate impact after earning a spot with a strong spring training performance.

WSJ: Lester, Red Sox shut down Yankees on opening day

If you want to download The Rite of Spring concert performance I conducted, visit our Baltimore Symphony Orchestra Web site.

NPR: Getting Hooked on the 'Rite' Sound

Even as Wall Street has come to grip with a notably weak iPhone volume performance for this spring, margin expectations have also hit a new bottom.

FORBES: Apple Nightmare Scenario Finally Priced in - Great Set-up for Earnings Report