年限

Soil microbial biomass and activities of invertase and urease all tended to decrease after pot-culture experiment, while the correlations between these biochemical properties and field ages were similar to those before this experiment, suggesting that rice cultivation without fertilization consumed part of soil microbial biomass, decreased soil enzyme activities correlated with C and N transformation, and affected soil nutrients status disadvantageously.

温室盆栽试验之后，水稻土的微生物生物量及酶活性与利用年限之间的关系规律和种植水稻之前基本一致，且整体上又趋于下降，即无施肥条件下种植水稻转化利用了土壤部分微生物生物量，并减弱了与碳氮转化相关酶的活性，对保持水稻土的营养水平造成不利影响。

The available depreciation methods consist of the straight-line method, unit of production method, double declining balance method, sum of the years digits method, etc.

可选用的折旧方法包括年限平均法、工作量法、双倍余额递减法和年数总和法等。

Fixed asset depreciation method choice and to enterprise tax payment influence Starts according to January 1, 2007 to execute "Business accounting Criterion", Our country Enterprise may select depreciation method including age limit method of average, work mensuration, double remaining sum decreasing progressively law and year number method of summation and so on.

问题补充：根据2007年1月1日开始施行的《企业会计准则》，我国企业可选用的折旧方法包括年限平均法、工作量法、双倍余额递减法和年数总和法等。

Secondly, we choose the proportion of shares held by institutions as dependent variable, and we use log of the total asset, volatility, beta, Jensen Index, debt-to-asset ratio, dividend yield, turnover ratio, years listed in exchange and HS300 Index dummy as explanatory variables. Then we set up a multiple regression model. Finally, we use the cross-sectional data from the end of 2006 to the end of 2007Q3 to test the relationship between the explanatory variables and the proportion held by institutions.

具体方法如下：首先，在已有研究成果的基础上，对我国机构投资者的审慎性持股偏好提出了两个假设；其次，以机构持股占个股流通盘的比例为因变量，以公司的总资产对数值、波动率、贝塔值、Jensen指标、资产负债率、股息率、年度换手率、上市年限为解释变量，并在引入沪深300虚拟变量后，建立了多元线性回归模型；最后，采用我国证券市场迎来历史性大牛市、机构投资者发展最为迅猛的2006年末-2007年3季末的四个横截面数据，对各解释变量与机构持股比例之间的关系进行了实证检验。

Period of supervision of special goods entitled to duty exemption or reduction will be specified by the Customs General Administration.

特定减免税进口货物的监管年限由海关总署规定。

The Standard on depreciation (SSAP 12) states that 'depreciation is a measure of the wearing out, consumption or other reduction in the useful economic life of a fixed asset whether arising from use, effluxion of time or obsolescence through technological or market changes.

折旧标准(SSAP 12)定义为："折旧是衡量出于经济目的而使用的固定资产，在其使用年限里的耗费，损耗或其他的贬值，尽管因技术和市场变化，可能重新利用，淘汰或废弃。"

The Art College of Yanbian University is a kind of ethnologic college, it has the inheriting folk tradition as its task.

单就钢琴演奏技能来说，在学完规定年限之后，有相当数量的学生，依然程度太浅，技术能力不够，难以适应工作。

Evidentiary materials of manufacturing time of the specified used mechanical and electronic products applied for import.

申请进口的重点旧机电产品的制造年限证明材料。

4The health condition of typical steppe in different exclosure period was evaluated by grey correlation analysis, fuzzy comprehensive evaluation, VOR index and CVOR index, the result showed that all of the methods used above could be used to evaluate the health condition of typical steppe.

4采用灰色关联分析、模糊综合评价、VOR和CVOR指数模型四种评价方法对不同围封年限典型草原的健康进行了评价，评价结果一致，说明四种方法均可作为典型草原健康评价方法。

And soil porosity, nutrient, microbe quantity, microbial biomass and enzyme activity showed the trend of rise along with the increase of exclosure period, and after exclosed for 12 year, the quality of the soil reached to the best.

且随围封年限的延长，土壤孔隙度、土壤养分、微生物数量、微生物生物量及酶活性呈增加的变化趋势，围封12年土壤质量最好。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。