In the seed world, that makes them rare, because most seeds from flowering plants are quite robust.

在种子世界里，这使得它们很稀有，因为大多数开花植物的种子都很结实。

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Dandelions are regarded as weeds for a reason-they are robust, fast-growing plants that can be pulled up for processing and resown easily, possibly yielding two harvests a year.

蒲公英被视为杂草，是因为它们生命力强，生长迅速。这种植物，可以连根拔起进行加工，而且复种容易，一年还有可能成熟两次。

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This paper studies optimal tuning of PID controllers and its robust performance evaluation for under-damped plants with time delay.

研究了带有纯延迟的欠阻尼对象最优PID控制器的参数整定及性能鲁棒性评价问题。

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These include the ability to test, troubleshoot and repair electronic equipment on oil rigs and power plants both elements of robust and growing industries.

WSJ: Transitioning From the Military to Civilian Work

Nabi expects capital spending will be a major force, which he believes will remain robust, powered by two sources of demand: replacement of aging plants and equipment, and U.S. exports, mainly to emerging countries.

FORBES: Ray of Optimism: Energy, Durable-Goods, And Insurance Stocks Are Irresistibly Inexpensive