面积单位

（缩写为‘ha’）表面积单位等于公亩（或，平方米）。

( abbreviated ` ha ' ) a unit of surface area equal to 100 ares ( or 10,000 square meters ) .

表面积单位等于平方米。

A unit of surface area equal to 100 square meters .

那只意味着质量单位变成了面积单位。

That just means our mass unit becomes the area unit .

南非使用的土地面积单位约等于英亩。

A South African unit of measure equal to about 2 acres .

法国旧制面积单位；约等于一英亩。

A former French unit of area ; equal approximately to an acre .

面积单位等于一码乘以一码的面积。

A unit of area equal to one yard by one yard square .

一种面积单位等于一英尺乘以一英尺。

A unit of area equals to one foot by one foot square .

面积单位用于使用英语的国家。

A unit of area ( 4840 square yards ) used in English-speaking countries .

研究结果显示用单位面积单位时间的可更新水资源量来表述水资源天然可再生能力具有突出的优点。

The results show that it has many advantages to use refresh water resource per area per time as reproducible ability of water resource .

总结阐述了农业科技文章中的文题、结构层次、表格编排、面积单位使用、错别字等方面常出现的问题，并结合实践和调查进行了分析。

The paper has summarized and defined common problems in the title , structural layers , table format , use of area unit , wrongly written or mispronounced in agricultural sci-tech papers , and analyzed them by combination practice with the investigation .

考虑了比表面积、单位面积上的吸附量和CO分子与煤表面之间的相互作用三方面对煤吸附CO能力的综合影响，较深入地研究了煤吸附CO机理。

Adsorptivity is evaluated from three aspects , including specific surface area , adsorption capacity on per surface area and interaction between CO molecule and coal surface .

但由于电泳膜有较高的TiO2沉积量、且结构致密、TiO2的粒径较大，其比活性（单位面积上单位质量TiO2的光催化活性）却比提拉膜的低。

But a more compact film with higher loading and larger size of TiO2 but lower specific photocatalytic efficiency ( ethylene conversion over unit mass TiO2 and unit area of TiO2 film ) was obtained by EPD compared with dip coating method .

喷嘴孔的通过截面面积立窑单位截面积产量

Injector hole area production of shaft kiln for unit cross section

面积的单位是一个长度乘以另一个长度的积。

The unit of area is a product of a length times a length .

生产力是生物在单位面积、单位时间内所产生的有机质的量。

Productivity is the quantity of organic matter produced by organisms per unit area and unit time .

主送风方向横截面积立窑单位截面积产量

Area of cross section of the main air flow production of shaft kiln for unit cross section

为给蔬菜的贮藏保鲜提供依据，采用植物学的方法，解析了32种蔬菜的微观结构特点，主要研究参数有：单位质量蔬菜的表面积、单位面积蔬菜的气孔数、蔬菜表面的角质层厚度。

Microstructure of 32 varieties of vegetables were studied by using botanical means to provide basis for the retaining freshness of vegetable .

花灌木叶面积和单位面积各项功能效益最小，常绿针叶树滞尘能力在三类树种中最强，其他功能及叶面积居中。

For evergreen coniferous tree species , capability of retaining dust was the strongest , and others was between other two tree species .

探讨了敷设加热管的地面面积和单位地面面积散热量的选取，提出了初步建议，供设计时参考。

Discusses the selection of floor area and heat release per unit floor area for heating pipe laying , and presents some primary suggestions for project design .

病理染色图象分析测定左室腔周长和面积、单位面积内心肌细胞核数、单位面积内胶原的含量；

Pathological staining and image analysis were used to determine the perimeter and the area of left ventricular cavity , and myocardial nuclei number and collagen content per unit area ;

正异常包含的面积与单位涌水量成正比，这种探测地下水的方法就是二次时差法。

The area enclosed by positive anomalies above zero line is directly proportional to water discharge . This way to detect groundwater is called the method of difference time between two decays .

通过提高全株叶面积、单位叶绿素含量和改善叶绿体的超微结构，提高苗期叶片光合作用，保障源器官的良好发育。

SPGR increased photosynthesis ability of seedlings to ensure the development of source organ by increasing the gross leaf area and chlorophyll content of functional leaf , and ameliorating the ultra-structure of chloroplast .

生长指标方面：如株高、胸径周长、叶片面积、单位叶面积重量、分枝长、冠幅也有明显的提高。

Growth indicators : such as plant height , diameter at breast height , leaf area , the weight of the unit of leaf area , branch length , crown also significantly improved .

但另一方面，我国用材林面积和单位面积上森林蓄积量都在锐减，这就在客观上增加了伐区区划和主伐调查设计的劳动量和劳动强度。

On the other hand , the area of usable forest and the volume of standing timber in one unit area are descending sharply in our country , which aggravates the labor intensify impersonally .

近50年的粮食作物产量、粮食作物播种面积和单位面积产量与气温均呈明显的正相关，而与降水的相关性很差。

In this 50 years , grain crops output , the grain crops sown area and the yield per unit of area and the temperature are obviously related , but they are slightly correlative with the precipitation .

首先理论分析了泼洒液体火灾的液面深度、浸铺面积、单位面积燃料质量损失速率，进而得到了泼洒液体燃料总量与火灾功率的关系。

For this purpose , firstly , the surface depth , spill area and mass burning rate of pool fire are theoretically analyzed and the correlation of the total mass of fuel and the resultant fire power is obtained .

不同坡向的辽东栎林的叶片面积、单位面积重量及叶片被食面积均有显著差异，偏阳坡（东南坡）高于偏阴坡（西北坡）。

Total leaf area , leaf weight per unit area , and the percentage of damaged leaf area all showed significant differences across different slopes . All these parameters had higher values on southeast facing slopes relative to northwest slopes .

木瓜蛋白酶和钴60处理组平均内衬间隔、平均肺泡面积和单位面积肺泡数与木瓜蛋白酶组比较有显著性差异。

Compared with rats in papain only group there was significant difference in rats of papain + irradiation group in the mean linear interval ( MLI ), the number of alveolar counted per unit area ( MAN ) and mean alveoli area ( MAA ), respectively ( P0.01 ) .

低海拔江岸生长的芦苇比高海拔江岸生长芦苇具有更大的比叶面积（单位叶重叶面积）、更长的叶鞘和叶片、更高的叶鞘叶片长度比、叶鞘叶片质量比和叶片长宽比；

P. communis plants growing at banks of lower elevations have larger SLA ( specific leaf area ), longer leaf sheath and blade , larger length ratio of leaf sheath to blade , larger mass ratio of leaf sheath to blade and larger length : width ratio of blade ;

由于模式中地面浓度计算值的量纲为单位面积、单位时间的质量沉积率，因而统一了地面浓度计算值与常规监测值的量纲，使计算结果与常规监测值之间具有可比性。

Since the ground concentration value dimension is the quality deposition rate of unit area and unit time , The model also unifies the dimensions of both ground concentration value and the conventional monitoring one , making it very easy to compare the conventional monitoring value with the calculated result .