查询词典 ditcher

Based on theoretic research, rotary-ditch machine is produced and orthogonal test is carried out in the farm. By variance and extreme deviation analysis on the test result, all the influence factors on ditcher casting performance are gained, superior level and optimum combination are found out, relation curve of performance target along with factor change is provided.

在理论研究的基础上，设计并制作开沟部件，在田间对其进行了正交试验，对试验结果进行极差分析和方差分析，得出各因素对开沟抛土性能的影响，找出各因素的较优水平和最优组合，并给出性能指标随各因素变化的关系曲线。

The paper tutored by professor Yang mainly develop the software of the design of a new-style sluice and keeping soil moisture ditcher in Visual Basic.

本研究设计主要内容为利用visual Basic语言编制了一套新型蓄水保墒机具设计软件。

Based on the analysis of the key components of disc ditcher, the maximum lift height of the rotary blade shaft and the minimum size of the elevating device as the objective functions were introduced to establish a nonlinear mathematical model satisfiable to multiple constraint conditions of mechanical structure and agronomic demands.

为了解决圆盘开沟机在下地、过梗、爬坡过程中出现的旋耕刀易破损、刀盘支架易变形等问题，通过对其关键部件的分析研究，以刀盘轴最大提升高度和升降装置最小尺寸为目标函数建立数学模型；用Matlab软件对其结构尺寸进行参数优化。

Base facilities greatly augment, new build steel tube big canopy 200 mus, establishment of installation sprinkling irrigation 500 mus, added apply to the small-sized agricultural machinery and implement such as machine of the rotary tillage machine that plows inside vegetable big canopy, ditcher, mist, built the vegetable workshop that pack and detect room acquired pesticide incomplete

基地设施大大扩充，新搭建钢管大棚200亩，安装喷灌设施500亩，增添了适用于在蔬菜大棚内耕作的旋耕机、开沟机、弥雾机等小型农机具，新建了蔬菜包装车间和检测室并添置了农药残

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"