breakeven point是什么意思

用法例句

Financial income and expenditure management is the most important aspect of the entire financial management,and is an important part of financial management of hospital.

财务收支管理是整个财务管理的首要环节,是医院财务管理的重要组成部分。

Based on experiments conducted in an intercropping field in Zhangye Oasis in the middle reaches of Heihe River in 2004,the characteristics of radiation budget are analyzed.

利用布设在黑河流域中游的张掖绿洲区的一套自动气象观测系统在2004年作物生长期内的完整资料,分析了黑河中游春小麦和玉米间作农田生态系统的辐射收支,在此基础上选用波文比能量平衡法(BREB)进行了能量平衡计算。

Under conditions of various soil moisture,characteristics of radiation budget over Jinta Oasis in clear days in Summer were discussed by using the data got from "The Oasis System Energy and Water Cycle Field Experiment" in Jinta Oasis of Gansu Province.

利用2005年在甘肃省金塔绿洲开展的"绿洲系统能量与水分循环过程观测试验"所取得的资料,分析了夏季晴天金塔绿洲不同土壤湿度条件下的辐射收支特征。

The characteristics of radiation budget on different underlying surface were discussed by using the data got from "The Oasis System Energy and Water Cycle Field Experiment" in Jinta Oasis of Gansu Provience.

利用2005年在甘肃省金塔绿洲开展的“绿洲系统能量与水分循环过程观测试验”所取得的资料,系统的分析了夏季晴天金塔地区不同下垫面的辐射收支特征,结果表明:地表反照率呈“U”型分布,戈壁的最大,日平均为0。

Variation of the carbon budget in Guangzhou during its rapid industrialization course;

工业化高速发展时期广州市的碳收支变化初步研究

Simulating the responses of forest net primary productivity and carbon budget to climate change in Northeast China;

东北森林净第一性生产力与碳收支对气候变化的响应

Establishing and validation individual-based carbon budget model FORCCHN of forest ecosystems in China;

基于个体的中国森林生态系统碳收支模型FORCCHN及模型验证

Effects of oil drilling noise and vibration on energy budget of carp,Cyprinus carpio;

石油钻井噪声与振动对鲤鱼(Cyprinus carpio)能量收支的影响

Effects of salinity fluctuation on the molt,growth,and energy budget of juvenile Fenneropenaeus chinensis;

盐度波动对中国对虾稚虾蜕皮、生长和能量收支的影响

The influence of low temperature on the growth and energy budget of Centropristis striata;

低温对条纹锯鮨生长及能量收支的影响