In this paper a mixed expansion expression for dynamic flexibility of continuous systems is derived.

提出一种连续系统动柔度的混合展开表达式，它的前面几项是模态展开，其余各项是幂级数展开。

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In this paper a mixed expansion expression for dynamic flexibility of continuous systems is derived. The frist few terms of the expression are a sum of modes, the other terms are power series.

提出一种连续系统动柔度的混合展开表达式，它的前面几项是模态展开，其余各项是幂级数展开。

youdao

Large volume waterproof concrete with C30 strength grade and seepage resistance P>25 can be mixed by adding expansion agent and reduce-water agent.

经试验表明，在砼中复合掺加膨胀剂和高效减水剂，可制得强度等级为C30，抗渗等级P＞25的大体积防水砼。

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Drobo BeyondRAID, which provides thin provisioning, instant expansion, mixed drive size flexibilty, automatic protection levels, dual-disk redundancy, virtual hot spare, and drive reordering.

ENGADGET: Drobo's new 5N is a speedy $600 NAS for when you need files, stat

The Monday morning announcement that Pat Gillick had been elected to the Baseball Hall of Fame by the 16 member Veterans Committee analyzing the Expansion Era was met with mixed emotions.

FORBES: Disappointments And Unfinished Business Highlight Baseball's Winter Meetings

In the RetailWire discussion based on the test expansion, opinions on the wisdom of the plan were mixed.

FORBES: Target Letting Its Geek Flag Fly