我们要千方百计提高单位面积产量。
所以我们的到的是单位面积上的质量。
换句话说，这就是单位面积上的受力。
我同意，请问你要求的单位面积有多大呢？
好，这单位面积有多大？
一个平面物体的密度是每单位面积元的质量。
The density for a flat object would be the mass per unit area.
那意味着每单位面积的产量增加了超过6%。
That means the production increases more than 6 percent per unit of area.
它应该等于压强，或者说是单位面积上的受力。
提高现有耕地单位面积产量有潜力。
There is potential for increasing the yield per unit area on the existing cultivated land.
我们要千方百计提高单位面积产量。
压力就是电单位面积上的力。
拖力是流层单位面积的力。
好，这单位面积有多年夜？
这两个量，l乘以ρ,一起给出单位面积上的质量。
So these two together, l times rho, give us mass per unit area.
它增加了每一单位面积上厕所间的使用率。
皮棉的单位面积产量比去年增加了10%。
The per unit area yield of ginned cotton has increased by 10% over last year.
我同意，请问你要求的单位面积有多大呢？
压力和力气不一样，压力是指单位面积内所承受的力。
Pressure is different from force — pressure takes into account the area over which a force is exerted.
这个单位面积相对小一点，究竟面积是多少？
单位面积由八百平方英尺至一千三百平方英尺。
The unit areas are between eight hundred square feet and one thousand three hundred square feet.
这单位面积是多少？
伯努利方程中的每一项的量纲都是单位面积上的力。
Each term of the Bernoulli equation has the dimension of force per unit area.
但粮食单位面积产量还不很高，仍有很大的增产潜力。
But food yield per unit is very not tall still, still have very large increase production latent capacity.
单位面积小穗数是决定最终产量最重要的产量构成因素。
The number of panicles per unit area was the most important yield components in determining final yield.
单位面积服务价值的大小与生态系统的类型有着高度的相关性。
There are high correlation between service value of per unit and type of ecosystem.
衡量农业技术的经济效果的基本指标，应该是单位面积的纯收入。
The basic criterion of measuring the economic effects is the net income per unit area.
对一个单位面积来说，电线杆或烟囱上的荷载要比工字架上的荷载小。
For a unit of projected area the loading on a telephone pole or a smokestack will be less than on an I - beam.
对一个单位面积来说，电线杆或烟囱上的荷载要比工字架上的荷载小。
For a unit of projected area the loading on a telephone pole or a smokestack will be less than on an i-beam.
当采油树或防喷器组关闭时，施加在井口单位面积上的力称之为为关井压力。
The surface force per unit area exerted at the top of a wellbore when it is closed at either the Christmas tree or the BOP stack.
当采油树或防喷器组关闭时，施加在井口单位面积上的力称之为为关井压力。
The surface force per unit area exerted at the top of a wellbore when it is closed at either the Christmas tree or the BOP stack.
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