查询词典 cropping

The farmland acreage and its corresponding cropping system have direct impact on the total phosphorus and turbidity of river.

农业用地及其相应的耕作措施对河流水质中的TP和浊度有直接的影响。

The experimental results show that the watermarking algorithm is robust against affine transformation, cropping as well as common image processing.

实验结果表明该算法可以抗击仿射变换和剪切攻击，对常见的图像处理也有很强的鲁棒性。

With rapid development of animal husbandry and re-adjustment of cropping systems in China, alfalfa is receiving more and more attention.

随着我国畜牧业的快速发展和农业产业结构的调整，苜蓿草生产越来越受到人们的重视。

On the axis of symmetry on certain distance from geometric center of the surface, depending on the position of the cropping plane.

当抛物面切割面垂直于对称轴，就得到一个圆形的抛物面，它的焦点位于正中央，即对称轴上距离抛物面几何中心一定距离的地方，。

Alley cropping; strip cropping: Growing two or more crops in alternating strip s or blocks on the same piece of land at the same time.

条植法；条播法：在同一块田里按条或块同时种植两种或两种以上的作物。

Alley cropping; strip cropping Growing two or more crops in alternating strips or blocks on the same piece of land at the same time.

条植法；条播法在同一块田里按条或块同时种植两种或两种以上的作物。调拨成本，已分摊成本

All risk insurance 全风险保险,包全险 alley cropping; strip cropping Growing two or more crops in alternating strips or blocks on the same piece of land at the same time.

条植法；条播法在同一块田里按条或块同时种植两种或两种以上的作物。

Alley cropping; strip cropping

条植法；条播法

Inwheat intercropped with soybean not only N situation could be improved butalso P situation could be.2In intercropping,the pH of soybean rhizospherewas decreased by increasing the R-Apase activity,which could decelerate thetransforming and fixing P fertilizer.3In both monoculture and intercroppingsystem,the soil pH of rhizosphere was affected by cropping system at two Plevel which only 0.1-4mm distance from the root surface,but the effect of S-Apase activity in the rhizospher soil by cropping system was less than3mm.In effect,the rhizosphere P was really available nutrient,and applyingP to rhizosphere was effective ways to reduce the P nutrient competition.4Inwheat/soybean intercropping,the peak stage of reduction ability of roots wasthe same as that of the root growth,so that the time compensation appearedin intensity of nutrient absorption.

间套作大豆、小麦、玉米根系Apase的差异又反映出大豆利用土壤磷的潜在能力最大，而玉米最小，可见禾谷类的小麦与大豆间套后不但能改善小麦的氮素营养状况还使磷素营养也得以好转。2）间套大豆根际pH值的下降，导致磷肥施入土壤后形成〓-P的比例显著提高，转化成〓-P等难溶性磷减少，说明间套的大豆能减缓肥料磷在土壤中的转化和固定，减少磷素向无效化方向转化。3）复合群体根际土壤pH值的影响一般只发生在0.1-4mm的根际微区，而土壤磷酸酶的影响供磷与否在距根表3mm以外都无多大差异，说明根际磷才是真正有效磷，根际施磷是解决磷素竞争的有效途径。4）。

The average contents of available sulfur in soil and sulfur in tobacco leaf from tobacco-rice continuous cropping pattern were 39.06 mg/kg and 0.968%,and 30.42 mg/kg and 0.704%for single cropping in dry land respectively.

烟叶硫含量仅有30%在0.20～0.70%正常范围内，70%烟叶硫含量超标，尤其是浏阳和宁乡植烟区的烟叶硫含量超过了1.00%。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。