- 重点词汇
- operationaladj.即可使用的;(用于)操作的;经营的;军事行动的;
- lossn.损失;丧失;去世;亏损;失败;失落;
- riskn.风险,危险;隐患;
- informationn.消息;数据;问讯处;
- extentn.程度;大小;范围;
- entropyn.熵,平均信息量;负熵;
- ofprep. 关于;属于…的;由…制成;
- frequencyn.频繁性;[数][物]频率,次数;频率分布;
- 相关例句
systemic development of land ecological safety in afforesting and grass-planting
林草结合的国土生态安全体系建设
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some policy problems on cropland shifting for tree planting and grass planting project
关于退耕还林还草工程的几个政策性问题
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popularizing grass planting deeply, developing grazing live stock and poultry fast
大力推行牧草种植快速发展草食畜禽
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while global demand for food has increased mainly due to population growth, production has declined.
而全球粮食需求增加主要是由于人口增长,产量下降。
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a large screen area causes desktop pattern corruption in windows 2000
在Windows2000中,大屏幕区域导致桌面图案损坏
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