查询词典 tractors

Continuous variable transmissions are used today in many tractors.

连续可变变速器今天已应用于许多拖拉机。

Tractors used in the experiments were wheel tractor, crawler tractor and holder/ walking tractor. The influence of soil compaction on wheat growth and soil structural discontinuity was discussed.

试验所使用的耕作机械包括轮式、履带式和手扶式三种拖拉机，分析了土壤压实对小麦生长以及土壤结构不连续性的影响。

Dir companies in China is the first service distributors, which is also the distributor Deere tractors days.

也是迪尔公司在中国的第一家服务经销商），同时也是迪尔天拖的经销商。

Indeed, Deere exports the small, durable tractors it makes in India to America.

的确，迪尔公司出口到美国的小型耐用拖拉机是在印度生产的。

There is a high degree of mechanization, and Britain has one of the highest tractor densities in the world –there are now over half a million tractors in use, as well as numerous harvesting machines.

英 国农业的机械化程度很高，与世界其他国家相比，英国在农业生产中使用拖拉机的密——现在全国有 50 多万台拖拉机和大量收割机。

Nearly all the tractors operate on diesel oil.

几乎所有的拖拉机都用柴油开动。

In order to develop new remaining value functions for large and medium-sized tractors, 116 recent tractor auction sales data in Shanghai State Farm were collected, by different Box-Cox transformations and regression methods, six proposed models with explanatory independent variables of tractor age and average yearly use hours were analyzed and compared, and the double square root model was selected as best one finally.

该文以上海农场近15年出售的116台拖拉机历史数据为观察样本，以机龄和年平均工作小时数为自变量，对6种不同的备选残值模型进行了回归分析和比较，在此基础上优选了双平方根模型为最佳残值模型，并用实际观察数据进行了验证。

SELF-PROPELLED TRUCKS UP TO AND INCLUDING 10000 KG CAPACITY AND INDUSTRIAL TRACTORS WITH A DRAWBAR PULL UP TO AND INCLUDING

达到和包括10000千克容量的自推动式卡车和带有一达到和包括20000N的拖斗的工业拖车。

Tractor drawbar and noise test play an important role in theoretical study, performance analysis, quality appraisal of tractors.

拖拉机牵引和噪声试验是对拖拉机进行理论研究、性能分析以及对新产品作定型鉴定的最主要试验项目。

Farm tractors are commonly equipped with a power take off, but on a farm tractor, the PTO is built-in to the tractor's main transmission and extends behind the final drive housing just above the drawbar.

农用拖拉机普遍配备了功率起飞，但在一个农场拖拉机，动力输出轴是内置的拖拉机的主要传输和扩展背后的最终驱动住房略高于拉杆。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。