expectance的读音 expectance中文意思

英音  [ɪks'pektəns] 
美音  [ɪks'pektəns] 
期望
expectance 用法和例句
Life expectance : continuous operation at rated voltage and normal temperature & humidity .
预期寿命:指在额定电压及正常温度,湿度条件下连续运转.
Modern school of currency and school of reasonable expectance systematized methods of substantial evidence analysis .
现代货币学派和理性预期学派将实证分析方法系统化。
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