We must master its aerodynamics performance before finalizing the design of inlet system.

设计工作者在设计燃机进气系统产品前必须掌握其气动特性。

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Part 1 covers finalizing the design, and part 2 is for design qualification.

第1阶段为定型设计，第2阶段为设计验证。

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Part 1 covers finalizing the design, and part 2 is for design qualification.

第1阶段为定型设计，第2阶段为设计验证。

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