performance n. 1.执行,实行,履行;完成;实现;偿还。 2.行为,动作,行动;工作。 3.性能;特性。 4.功绩;成绩。 5.演奏;弹奏;演出;(驯兽等的)表演;把戏。 6.【物理学】演绩。 a performance test 【机械工程】性能试验。 high performance 高度准确,性能优良。 an afternoon performance 午后的演出,日戏。 two performances a day 一天演两场。 a fine [wretched] performance 成绩好[坏]。 put a monkey through its performances 使猴子玩种种把戏。 performance in [of] horse-manship 马戏;马术表演。
exchange vt. 1.(以某物与另一物)交换,调换 (for). 2.互换,交流,交易。 3.兑换。 exchange one's labour for money 以劳动换取报酬。 exchange blows 互殴。 exchange civilities 互相行礼。 vi. 1.兑换 (for). 2.交换;调换(职位、任务) (from; into). exchange from [out of] one ship into another 从甲船换乘乙船。 n. 1.交换,互换。 2.交流,交易。 3.兑换、汇兑;汇划。 4.汇兑行情,兑换率,汇水,贴水。 5.〔pl.〕 (票据)交换总额。 6.交换品,〔特指〕交换书刊。 7.交易所。 8.〔英国〕职业介绍所。 9.电话局,电话交换台。 an exchange of goods 物资交流。 an exchange of prisoners 交换俘虏。 exchange of views 交换意见。 foreign exchange 外汇。 domestic [internal]exchange 内汇。 a post exchange〔美国〕陆军消费合作社 (PX)。 a bill of exchange 汇票。 the rate [course] of exchange (=exchange rate) 外汇率[行情、比价]。 a set of exchange 联单汇票[双联或三联]。 the first [second, third] of exchange 第一[第二、第三]联汇票。 the cotton exchange 棉花交易所。 a labour 〔英国〕职业[劳工]介绍所。 short exchange 短期汇票。 a stock exchange 证券交易所。 a [central] telephone exchange 中央电话局。 E- is no robbery. 〔戏谑语〕交换不是掠夺〔为不公平交换辩解的话〕。 in exchange for 换,调。 make an exchange 交换。 value in [of] exchange 交换价值(=exchange value)。
Good noumenon heat exchange performance design , can work at 55 normally 良好的本体导热性能设计,能在55度的高温下正常工作
Study on exchange performance of lithium ion - sieve synthesized by reduction - ammoniacal leaching residue of polymetallic nodules 多金属结核氨浸渣合成的锂离子筛吸附性能研究
Advanced level bands orchestras choirs may also be selected for exchange performances to be held on the mainland or in overseas countries 高级程度的乐团及合唱团更有机会获选派往内地或海外作交流演出。
In this paper , based on the acquaintance of the reason and background of condenser , focus on the thermal - exchange performance and condition of condenser 本文在熟悉了解凝汽器的工作原理和背景的情况下,着重研究了凝汽器的换热特性和换热情况。
Li xinguo , wang hongjun , zhao jun , etc , experimental study on the heat exchange performance of upipe underground heat exchanger with different backfilled material , j . of solar energy , ( in publish ) 李新国,汪洪军,赵军,等.不同回填材料u型垂直埋管换热性能的实验研究,太阳能学报,待发表
Based on an actual project , tests and analyses the heat exchanging performances of the vertical u - shaped ground heat exchanger , and obtains the heat release in summer and the heat absorption in winter of ground heat exchanger for unit well depth and the optimal drilling depth 摘要根据工程实际情况,对竖直u形地埋管换热器的换热性能进行了现场测试和分析,得出了单位井深地埋管的夏季散热量、冬季取热量及最佳地埋管钻孔深度。