sum-of-the-years' digits depreciation(SYD)是什么意思

用法例句

Objective:To analyze the death causes of PYLL among the female population at the reproductive ages of 15~49 in Nanjing cityMethods:By the indexes of MR, PYLL and LLR , to analyze the causes of potential years of life loss and deathResults:MR of the female population at the reproductive ages was 35.

方法采用死亡率(MR)、减寿年数(PYLL)和减寿率(LLR)等指标分析育龄女性潜在减寿死因。

Objective To study the trend of cancer s mortality rate,PYLL and life lost rate among residents of Dalian city during 1981 to 2003.

目的分析1981—2003年大连市区居民恶性肿瘤死亡率、减寿年数(PYLL)和减寿率的变化趋势。

[Objective] To probe the main cause of death resulting from the protential years of life lost ( PYLL ), their PYLLS and the varied tendency with time.

[方法]应用潜在减寿年数(potential years of life lost,PYLL),分析沂蒙山区居民1993-2002年死因资料,比较1993-1997年(前期)和1998-2002 年(后期)两个时期男女人群主要死因的PYLL、位序及变化情况。

The generation of H2S in underground concrete drainpipe of high buildings and the protection and monitoring of the concrete pipe were described,and the relations of drainpipe corrosion speed and H2S concentration with the concrete pipe lifespan were discussed.

论述了高楼地下钢筋混凝土排水管内H2S的产生和钢筋混凝土管道相应的防护监控等问题,并研讨了排水管腐蚀的速度、硫化氢浓度与使用年数的关系。

It s given that the specific formula of the enterprise s effective economic taxes because of transformation of value-added tax under depreciation method of double decline balance and sum of years digits method.

给出了在双倍余额递减法和年数和法折旧方式下 ,增值税转型后企业实际税收节约额的具体应用公式 ,进行了比较分析 ,并通过示例加以说明 ,最后得出在相同条件下 ,增值税由生产型转向收入型 ,采用双倍余额递减法比年数和法给企业带来的整体税收节约额要多 ;由生产型转向消费型 ,采用双倍余额递减法与年数和法给企业带来的整体税收节约额一样多 ;由收入型转向消费型 ,采用双倍余额递减法比年数和法给企业带来的整体税收节约额要少的结

By using the idea of time value of fund,the simple interest and compound interest sum of years digits method of depreciation is deeply studied,and the specific formula is given.

运用资金时间价值的思想 ,对单利年数和法、复利年数和法进行了深入研究 ,给出了具体应用公式 ,进行了比较分析 ,并通过示例加以说