犁底 的英文怎麼說
中文拼音 [líde]
犁底
英文
ploughing sole-
In the course of working, ， the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly
與單向犁相比，其優點在於：耕地無開、閉壟，地表平整，降低了耕后整地的能量消耗，減少了地頭的空行程，因而大大提高班次生產率。為了滿足犁體梭式作業的要求，我們採用了一隻小容積雙作用的液壓油缸；同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗，我們發現：該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重；主犁梁和油缸缸體的連接部分（即油缸底座）突然發生了斷裂，造成整個犁體無法正常工作。Yili basin is a independent unit of the yili - zhongtianshan micro plate, which is subject to the zhunger - kazakstan plate. it is a superimposed basin which formed on the basis of the folded pre - permian basement, underwent rifting and breaking in permian, depressing and uplifting and multiple deformation and reformation after permian
伊犁盆地是準噶爾?哈薩克斯坦板塊的一個次級構造單元?伊犁-中天山微板塊內的一個獨立單元，它是在前二疊紀褶皺基底的基礎上，於二疊紀擴張、裂解（谷） ，經二疊紀后的坳陷、隆升多期變形、改造而成的復合型改造盆地。The results show that the interface between the cultivated layer and the plough sole in the soil profile was undulated under the current cropping system mainly using small - sized four - wheeled tractors and flat under the cropping system of deep plowing annually in the fall
結果發現，現行的以小四輪拖拉機為主要動力的耕作制度下，土壤剖面中耕層與犁底層的界面為「波浪型」 ，而年年進行秋翻的玉米田，其耕層與梨底層的界面為「平面型」 。The erosion gully can be classified into 5 types according to the erosion stage, the gully shape, the state of erosion or sedimentation in gully bottom, the erosion type along the gully edge, and so on
根據東北黑土漫崗區侵蝕溝的發展階段、形態特徵、侵蝕溝底沖淤狀況、侵蝕溝邊坡擴展方式等，將該區侵蝕溝分為順犁溝、淺溝、切溝、沖溝和槽溝5種類型。Secondly, two groups of disk plows for experiments were manufacturing. finally, orthogonal experiments and secondary regression experiments were respectively designed on the plows and tillage experiment was carried out in an indoor groove under certain research condition. with experimental optimum technology, the effect of the distribution of the geometric non - smooth partial sphere structure cell, partial sphere height and its radium on the tillage resistance was analyzed
通過試驗優化設計技術，考察了圓盤犁刀上幾何非光滑球冠結構單元的分佈、球冠高度和球冠底圓半徑大小對犁耕阻力的影響，確定了三種影響因素的主次關系和各個因素的最優水平，獲得了研究條件下的結構設計最佳方案。The most economic way is to mechanically " bury " all the harvested straw under the ploughed layer straight away after the harvest, letting it be decomposed there
最為經濟的還田方式是在土壤耕作之際將稻草全部翻壓在土壤的犁底層，讓其在此腐解。分享友人