20cm

20cm of snow were expected today .

原来预计今天下20厘米厚的雪。

Line the base and sides of a 20cm deep round cake tin with paper .

把一个20厘米深的圆形糕饼盒的底部和四周都垫上纸。

People have grown taller over the last century , with South Korean women shooting up by more than 20cm on average , and Iranian men gaining . 16.5cm .

上个世纪，人们变得更高了，韩国女性的平均身高增加了20多厘米，伊朗男性的平均身高增加了16。5厘米。

Main ear is short and the rate of fruit is low below 20cm ;

穗位低于20cm，穗较短，结实率低；

However , soil available boron in 0 ~ 20cm soil layer significantly decreased by 36.2 % .

但0～20cm土层有效硼却比种植前显著减少了36.2%。

In 10 ~ 20cm soil layer , it was 3 % higher than CK .

10～20cm土层含水量比对照高出3%左右。

Situation of test soil The test soil was from 0 ~ 20cm sample in Longkou , Shandong Province .

供试土壤状况供试土壤采自山东省龙口市0～20cm的土样。

Partial tea garden subsoil ( below soil depth 20cm ) in Jiangsu province presented the tendency of increased acidification .

江苏省部分茶园土壤下层土样（土层深度20cm以下）酸化增强，且土壤pH降低速率随着土层深度的增加呈加大的趋势，茶园土壤酸化现象呈向深度发展的严峻形势。

Bamboo rhizome is distributed in 0 ~ 20cm soil layer . Live bud : death bud is 3:7 .

竹鞭多分布0～20cm土层，活芽：死芽比约3：7。

0 ~ 20cm soil layer 's nitrate content was higher than the correspondent 20 cm ~ 40 cm soil layer 's .

且0～20cm土层的硝酸盐含量普遍高于同时期20～40cm土层的硝酸盐含量。

Soil organic carbon , nitrogen and phosphorus concentrations in 0 ~ 20cm soil layers increased in comparison with that in the farmLand .

与对照农田相比，土壤有机碳、全氮和全磷含量在0～20cm的土层深度上增加更明显；全钾含量的变化幅度不大。

The content of water stable aggregate in 0 ~ 20cm layer was increased in no tillage in that the soil structure was less destroyed .

免耕对土壤结构破坏少，使0～20cm土层水稳性团粒结构增多。

Soil depth had a significant effect on spore density in four sites , the highest spore density existed in the 10 ~ 20cm soil layer ;

采样深度对AM真菌定殖率和孢子密度有显著影响，最大孢子密度发生在10~20cm土层；

It was concluded that : The flowing speed of seawater in sea area where cages were located was lower than 20cm / s ;

结果表明，设置网箱的海区海水流速≤20cm／s；

The maximum value , which accounted for 25.75 % of energy in the aboveground parts , was appeared in the layer of 10 ~ 20cm high .

能量垂直结构，地上部为从地表至20cm高度逐渐增加，最大值在10～20cm层占地上部的25.75%，然后逐渐下降。

There was a little river flowing in front of the house and it flooded twice ; water seeping into the room was sometimes 20cm deep .

房前有一条小河流过，曾经发过两次洪水，渗入房间的水有时会有20厘米深。

The remains of nitrogen fertilizer in soil mainly concentrated in the layer of 0 ~ 20cm , accounting to 85 % above of the whole soil remained nitrogen .

土壤残留的肥料氮主要集中在0～20cm的耕层土壤中，占全部土壤残留肥料氮的85%以上。

This is a piece of copper foil 20cm square that has 696 rings , a portion of which is reproduced above .

这是一片20厘米见方的铜箔，上有696个同心圆环，题图即是它的部分示意图。

Directions : Spray to dry or shaped hair at a distance of12 ~ 20cm , then leave for heat assisted or style hair with comb .

用法：距离头发12至20公分，可直接喷于干发或已造型的头发上，加以加热或用梳子随意造型。

The average extent of the root system of millet was about 130 cm , the root surface area at 0 ~ 20cm soil layer was more than 80 % of the total one .

谷子平均根深在130cm左右，0～20cm土层中根系表面积占总根系表面积的80%以上；

Although the soil water in different depth have a similar varieties , the various range are different , of which the surface layers of soil , i.e. 0 ~ 20cm , is the most .

观测还发现不同林地不同深度内土壤水分变化趋势相同，但不同深度内土壤水分的变化幅度明显不同：0～20cm土层水分变化的幅度大于较深层次的。

Development of Arbuscular mycorrhizas in different soil depths was investigated . The highest colonization rate and the highest spore density were found within the soil depth of 10 ~ 20cm .

田间菌根侵染率和孢子密度在不同土层深度的分布以深度10~20cm为最高。

The upper soil layer becomes arenaceous and its nutrient concentration decreases with increase of interference degree by tending . The soil in the layer of 0 ~ 20cm is strongly interfered .

随抚育破土面增大，林地表层土壤砂质化愈明显，林地养分含量下降，抚育对林地的干扰主要集中在0～20cm土层；

The most of mass water content of soil is second in 10 ~ 20cm , 20 ~ 30cm appears at fouth day when the mass water content of soil of three floors is similar .

其次为10～20cm，20～30cm土壤质量含水量最大值出现在降雨后的第四天；

Choose 4 large pieces of berried ivy , breaking off extra sprigs , leaving stems approximately 20cm long from the last leaf to the tip of the stem .

摘取4篇浆果状常春藤，剪去多余的小枝，留下大约20厘米长的枝干。

The fertilizer N residue rate was from 29 % to 41 % , and 60 % of N residue , which distributed in 1m depth soil concentrated in 0 ~ 20cm surface layer ;

土壤肥料氮的残留率在29%～41%之间，分布于1m土层中，其中60%以上集中在0～20cm土层；

Beijing , which had 20cm of snow at the weekend , has started rationing natural gas to shopping malls and supermarkets because of a spike in demand , state media reported .

据官方媒体报道，在上周末降雪20厘米的北京，由于需求激增，已开始对购物中心和超市实行天然气定量供应。

The regularity of vertical distribution of enzyme activity of persimmon root range soil is that it is the highest in 0 ~ 20cm depth of soil and varies gradually lower with deepening of soil .

月柿根际土壤酶活性的垂直分布规律是：0～20cm土层最高，随土层的加深而逐渐降低。

The second category ( DBH ≥ 20cm and H ≥ 6 m ) has 1445 plants making up of one big arbor and 368 middle arbors and 1076 small arbors ;

第二类（胸径≥20cm与树高≥6m）共1445株，其中大乔木1株、中乔木368株、乔木1076株；

Its soil bulk density and porosity had adapted to most plant growth ; the average content of organic matter was 21.84 % in 0 ~ 20cm soil and that was 7.45 % in subsoil ;

容重、孔隙度适应大多植物的生长，有机质0～20cm内平均为21.84g/kg，而下层土壤为7.45g/kg；