查询词典 matric

Experiments for controlling the soil matric potential of 0～-20 cm soil layer by use of irrigation and drainage have been conducted with lysimeters to study its effect on dry matter accumulation , nutrition and grain yield of winter wheat.

在蒸渗仪上用灌溉和排水控制0～20mm土水势，调节农田土壤水分状况，研究其对小麦干物质累积、矿质营养和籽粒产量等的影响。

Experiments for controlling the soil matric potential of 0～-20 cm soil layer by use of irrigation and drainage have been conducted with lysimeters to study its effect on dry matter accumulation, nutrition and grain yield of winter wheat .

研究结果表明，小麦抽穗初期、乳熟期和完熟期的干物质累积均在土壤基质吸力30～40kPa下最多，小麦地上部对氮，钾的吸收量以及籽粒产量在土壤基质吸力30～40kPa下最高。

The test results shows that the stress-strain curves of the remoulded expansive soil samples were stress-hardening owing to competely damage of the soil construction under different matric suctions and vertical stresses.

试验结果表明，在不同的基质吸力和竖向荷载下，重塑膨胀土试样由于结构性遭到彻底的破坏，应力应变关系表现为应变硬化特性。

Of the one in four who took matric maths in 2008, only 39% passed (despite a lowly passmark of just 30%), compared with 98% of whites; 28% of whites achieved a score of at least 80%, compared with just 2% of blacks.

但黑人孩子的教育还是跟不上。2008年四分之一的黑人学生参加了大学入学考试的数学测试，及格率仅为39%（及格线低至30%），而白人的及格率是98%。28%的白人得分超过80%，达到这个水平的黑人只有2%。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。