And the velocity of slow compressional-wave (P-wave) is in direct proportion to the porosity and the density of fluid.

而慢纵波的速度则和孔隙度和流体的密度成正比。

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The analysis result indicates that the method can reduce the resource consume to fulfill the direct P code acquisition.

分析表明，该方案能以较低的资源完成P码的直接捕获。

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Secondly, this thesis introduces several conventional code acquisition methods and the reason why they are not fit for direct P-code acquisition.

其次，介绍了几种常用的伪随机码捕获方法及不适合于P码直接快速捕获的原因。

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The first direct vote on the reform bill has been tentatively set for 4 p.m.

CNN: Senate Debates Campaign Finance Reform Again

The first is to invest in private equity and venture capital funds, which provides direct exposure to private companies but at a steep price (see story, p. 158).

FORBES: Investment Guide

The camera also includes a new Direct Setting Control that enables quick access to settings in manual exposure modes (P, S, A, M), so that settings can be changed without taking an eye off the electronic viewfinder or the high-resolution 921, 000-dot 3.0-in LCD display.

ENGADGET: Nikon 1 V2 unveiled: 14.2 megapixel ILC shoots 15fps stills for $899.95 in November