直齡流 的英文怎麼說
中文拼音 [zhílíngliú]
直齡流
英文
dc current transformer-
The research shows that students misunderstand the relation between force and motion. gravity and action / reaction ; that in dc circuit, students of different age groups have the belief of " consumption of current ", " clashing currents " and " the battery as a constant current generator " ; that in understanding the concepts of electricity students lack th e knowledge of relating the micro with the macro ; and that students have serious difficulties in understanding the propagation of mechanics wave, the speed of wave and superposition, and do not make a distinction between the initial conditions and the medium properties of the system
具體表現在：學生對力和運動的關系、重力和平衡、作用力與反作用力存在一些誤解；對直流電路，不同年齡的學生不同程度地存在電流消耗、碰撞電流、恆定電流源等觀念，而且對電學概念的理解缺乏宏觀與微觀的聯系；學生在機械波的傳播、波速、波的疊加上存在嚴重的困難，對于機械波的傳播學生不能區分初始條件和媒質特性，並錯誤地將動力學某些觀念與機械波進行類比。Seniority configuration is unrelated to performance, but performance of the pyramidal organization is higher than diamond for age structure ( 2 ). the effects of age and seniority structure on performance do not seem to disappear even after turnover rate is introduced as a intervening variable, suggesting a robust direct effect of organizational demography on performance
（ 2 ）無論是年齡結構或年資結構型態對組織績效的影響，均未受到人員流動的干擾而有所改變，此結果肯定了人口結構對組織績效的直接效果。Analysis of an age - structured epidemic model with vaccination and vertical transmission
帶有垂直傳染具有年齡結構的接種流行病模型研究
分享友人