Coordinate systems, transforms, and units.

坐标系统、变换以及单元。

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WKT and SVG define different origins for the coordinate systems.

WKT和SVG在坐标系中定义不同的原点。

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We have been working with triple integrals and seeing how to set them up in all sorts of coordinate systems.

我们目前已经学习了三重积分，以及如何在各种坐标系中建立它们。

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U.S.government and military officials are working on better cyber-defense systems and trying to coordinate efforts.

VOA: standard.2009.08.11

For example, command and control systems would coordinate precision strikes and electronic warfare by locating, tracking, attacking, and assessing the damage to enemy targets.

CENTERFORSECURITYPOLICY: Center for Security Policy | Chinese Information Warfare: A Phantom Menace or Emerging Threat? | Page: 8

Fortunately for the future of the battery, it turns out its color molecules are also carriers of carbonyl and hydroxyl groups that make it ripe for use as an electrode and that purpurin is far easier to process than other organic materials: "These aromatic systems are electron-rich molecules that easily coordinate with lithium, " said CCNY Professor George John.

ENGADGET: Scientists develop eco battery powered by root-extracted dye

The purpose of the Group is to coordinate the ongoing development and enhancement of the Pacific Tsunami Warning Systems and to promote the establishment of national risk assessments, alert and response programmes.

UNESCO: THEMES