这份报告说，将近20%的旱地由于人类活动和气候变化而在近年来失去了生产能力。
Almost 20 per cent of drylands have lost productive capacity in recent years because of human activity and climate change, the paper reports.
目前拥有塑料活动舞台系列、便捷式背景桁架、多功能帐篷等新产品完整的生产能力。
Currently has a plastic moving stage series, portable background truss, new products such as multifunction tent full production capacity.
生产效率反映了企业中各类经济因素对生产经营活动的影响程度，也综合体现了企业生产能力的大小和竞争实力的强弱。
The production efficiency shows the degrees of various factors affect the production in enterprise, and also shows the productivity and competitive of enterprise.
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