By increasing or lessening the hours of darkness in each day, the scientists have been able to turn plant growth off and on like an electric switch.
用增加和减少每天黑暗小时数的方法，科学家已经能够控制植物生长，如同控制一个电器开关。
Q: What is your best advice for those who see the film and are inspired to make the switch to a plant-based diet for the first time?
问：对于那些看了这部电影并受到启发要首次切换到植物性饮食的人们，你的最佳建议是什么？
It calls for Xcel Energy to close four coal-fired units in the region, switch another to natural gas and build a gas-fired plant to help meet federal clean-air standards.
要求埃克·西尔能源公司关掉这个地区的四个燃煤发电机组，把另一个燃煤机组更换为燃气机组，并新建一个燃气发电厂，以符合联邦的清洁能源标准。
In that case, poor control room indicators led plant officials to switch off the circuit which would have cooled the reactor core.
在这起事故中，低劣的控制室指示器指引电站工作职员封闭了为反应堆芯堆降温的回路。
During the operation of ethylene plant, off - line switch of acetylene converter will lead to great loss in ethylene production.
碳二加氢反应器的切换是乙烯装置运行过程中的重大操作工序，而离线切换会造成乙烯产品的大量损失。
Of switch socket in the integration of manufacturers, the company now has a plant area of more than 21000 square meters, has advanced production equipment (Germany, Japan, Taiwan) and a good tester.
各种开关插座于一体的厂家，公司目前有厂房面积21000多平方米，拥有先进的（德国、日本、台湾）生产设备和测试仪品。
The paper briefly introduces plant connecting into system, electric busbar connection design and their optimized process, as well as switch station site selection.
本文简要介绍了电站接入系统和电气主接线设计及其优化过程，以及开关站位置的选择。
The transition from vegetative to reproductive growth is the major developmental switch in plant life cycle.
开花是植物从营养生长到生殖生长的一个重要转折点。
The accident state, the sequence of tripping operation of switch and the interval of time could be recorded at real-time. The level of operating management of large power plant could be increased.
实时记录事故状态、开关跳闸顺序及间隔时间，提高了大型发电厂的运行管理水平。
The insects are more likely to switch to plants with similar plant chemicals to their native host plants, in the forms of host shift, host expansion and host race formation.
有关食性分化方向的观点倾向于寄主植物转向化学物质相似的植物，表现为寄主转移、寄主扩张和形成寄主型等；
It is concluded that the switch production of 4 sulphite products as required in one plant, when slightly altered, is feasible both theoretically and practically.
指出以一套装置为基础，根据需要适当调整，以生产上述四种产品中的任一种，在理论上和实践上均是可行的。
By using an integrated assessment model, we found a global food transition to less meat, or even a complete switch to plant-based protein food to have a dramatic effect on land use.
通过使用综合评估模型，我们发现全球饮食转为少吃肉，甚至彻底改为植物性蛋白的食物对土地利用有巨大的影响。
By using an integrated assessment model, we found a global food transition to less meat, or even a complete switch to plant-based protein food to have a dramatic effect on land use.
通过使用综合评估模型，我们发现全球饮食转为少吃肉，甚至彻底改为植物性蛋白的食物对土地利用有巨大的影响。
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