load change中文什么意思

例句与用法

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1. The results showed that there were 2380 . 879 tons sediment - attached nitrogen , 10432 . 959 tons soluble nitrogen , 40 . 922 tons sediment - attached phosphorus and 295 . 679 tons soluble phosphorus inputted into the qiandao lake per year . monthly inputted loading changed very strongly , the loading was interrelated positively with rainfall and 70 % of total pollutant was exported from the watershed during the april and september
   千岛湖流域氮、磷非点源污染的月输入负荷差异极大，氮磷污染物的输出量与月降雨量成正比，降雨集中的4 9月份是每年的污染物输出集中时期，氮、磷污染物输出量占全年总量的70以上。
2. Thermal stress control system actually gather the real - time data of unit sets ， compute temperature fields ， stress fields and maximum dangerous stress by the math modal ， decide target and speedup rotation in every stage of startup process ， and justify automatically to realize auto control a serial of processes of turbine ， such as speedup ， warm - up ， connecting net ， load changing ， stop and unsteady condition etc ， and improve automatic level of the unit sets . turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of
   热应力控制系统实际是对机组运行参数进行实时采集与监控，通过数学模型实时地计算高、中压缸转子的温度场、应力场分布，以及最危险热应力，以确定启动过程各阶段的目标转数及升速率，并进行自动调整，实现机组冲转、升速、暖机、并网、升负荷、停机以及异常工况下的自动控制，大大提高了机组的自动化水平。
3. Because of the randomness , the periodicity and the impact property of load changes , the short - range electric load forecasting accuracy is related to the pre - processing of original data , the load forecasting model , the sudden change of climate etc . without an appropriate mathematical model , it is difficult to meet the demand of farecasting accuracy by using computer software
   短期电力负荷预报的准确度与原始数据的预处理、负荷特性、预报模型、气候突变等因素有关，因为负荷变动具有随机性、周期性和冲击性的特性，如果不采用恰当的数学模型，利用计算机软件技术就难以满足预报准确度要求。
4. The research results show that the frequency zone is very wide during deformation and fracture process of loaded coal , the main frequency zone is changed with load change ; at the initial stage of the load the main frequency zone of eme is low , and sometime it takes on the trend from raise to drop ; at the later stage of the load the main frequency zone of eme is high , and its trend is that the larger the load is , the higher the main frequency zone is
   研究结果表明，在受载煤体变形破裂过程中电磁辐射的频带很宽，其主频段随载荷的变化而发生变化，在受载初期，电磁辐射的主频带较低，电磁辐射主频带有时呈现先增高而后降低的趋势；在受载后期，电磁辐射的主频带较高，基本上表现为载荷越大，电磁辐射的主频段越高。