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| English | Chinese |
| C3 - C4 cycle intermediate | 三碳-四碳循环中间产物 |
| Calvin-Benson cycle | 卡尔文-本森循环 |
| combined cycle-power station This type of plant is flexible in response and can be built in the 100-600 MW capacity range. It produces electrical power from both a gas turbine (ca. 1300°C gas inlet temperature), fuelled by natural gas or oil plus a steam turbine supplied with the steam generated by the 500°C exhaust gases from the gas turbine. The thermal efficiency of these stations is ca. 50 per cent compared with a maximum of 40 per cent from steam turbine coal fired power stations. This type of plant can be built in two years compared with six years for a coal-fired station and 10-15 years for nuclear | 联合循环电站 (这种发电站反应灵活，可在100-600兆瓦容量范围内兴建。它依靠气体涡轮机(入口温度约1300°C的气体)发电，由500℃所产生的蒸汽供应蒸汽涡轮机，使用天然气或石油天然气废气涡轮气体作为燃料。这些站的热效率大约为-50%，而燃煤蒸汽涡轮机最多只有-40%。这种电站类型可以在两年内建成，同等级的煤电站需要6年，核电站需要10-15年。) |
| cycle path | 自行车道 |
| fire-flood cycle | 火灾-水灾周期 |
| global energy and water cycle experiment | 全球气候研究计划全球能源与水资源周期实验 |
| hydrologic cycle | 水分〔水量〕平衡〔循环〕 |
| material life cycle All the stages involved in the manufacturing, distribution and retail, use and re-use and maintenance, recycling and waste management of materials | 材料生命周期 (涉及材料的制造、分发、零售、使用、再利用和维护、回收和废物管理等所有阶段。) |
| oxidative pentose phosphate cycle | 氧化戊糖磷酸循环 |