Here are some plant species that will help maintain pond health and provide a source of food for fish.

以下是一些植物物种，这将有助于维持池塘健康，并提供鱼类的食物来源。

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Maintain a daily log of operation, maintenance and safety activities, and write reports on plant operation.

保持日常操作，维护和安全活动记录，并记录电厂运行报告。

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Also, as a plant estrogen, soybean isoflavone in also has antioxidant ability, is indispensable to maintain luster and delicate skin food.

还，作为一栽种物性雌激素，大豆中的异黄酮素还具抗氧化才能，是维持光泽细嫩皮肤不成短少的食物。

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Every change on the factory floor that allows workers to adapt to sudden shifts in demand reduces the excess capacity of people and plant space Dell must maintain to get products out on time.

FORBES: Magazine Article

Collectively, CGIAR centres maintain 600, 000 plant varieties in crop genebanks in a global effort to conserve agricultural biodiversity.

BBC: Seeds destined for the 'doomsday' vault (Image: IITA)

SunPower will continue to develop the project, and will design, build, operate and maintain the solar power plant.

ENGADGET: NRG and SunPower partner on 250-megawatt solar plant, plan to power 100,000 California homes