Cyclic sampling design was used to investigate leaf area index(LAI)in flux contributing source of eddy covariance flux tower swamp ecosystems of Haibei.

使用循环采样设计方案，对海北沼泽化湿地生态系统涡度相关通量观测塔的通量贡献区内叶面积指数进行了实地调查。

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While an open source approach isn't the right solution for every software need, using and contributing back to open source software is one way that we're making it easier for the government to share data, improve tools and services, and return value to taxpayers.

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Citrix, one of the primary cloud vendors, has discontinued contributing software projects to OpenStack, the open-source software foundation for cloud development, of which it had been one of the founding partners.

FORBES: Why Citrix Left OpenStack

By contributing this innovation, HP unleashes the creativity of the open source community to advance a new generation of applications and devices.

FORBES: HP: With Zero Buyers, WebOS Goes Open Source