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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。

Little monkeys common as ditchwater.

这样的小猴儿就像沟里的水似的，到处乱蹿。

The ore controlling structure is mainly NNE strike fault with double constructional surface.

深入研究郝泉沟金矿床的控矿构造特征，以指导其深部及外围地质找矿，增加地质储量，为矿山的可持续发展奠定基础。

The canyons of slope mudflow are shallow and wide and mostly occur downslope, and sometimes those that obliquely intersect the slope direction but are parallel to the strike of the strata are also seen.

坡面型泥石流沟浅而宽，大多顺斜坡的倾向发生，也有斜交坡向而沿岩层走向发生，是沟谷型泥石流发育的雏形。

It is shown that the electron drift velocity decreases rapidly and the drain current decreases linearly when increasing gate length.

随着栅长尺寸的增加，栅下沟道的电子漂移速度减小，而且漏电流呈线性递减。

Bayinshan Village was built up on water to have games on water in summer and have ice-sports on ice in winter. There is a 18-square-kilometer skee ground opened in the sidehill by south of the Village, a few cableways setting on between hills for limit item and adventruous driftage item on water.

巴音山庄则是在18平方公里的水面上开发了夏季水上游戏、冬季冰上运动项目；在巴音山庄以南大面积的山坡上开辟了冬季滑雪场；在山头间修建了高山溜索开展冲击极限项目；在巴音沟河干渠上开发了水上惊险漂流项目。

In combination with theory of Traditional Chinese Meridians and Vessels, modern electrobiology, physics, the method of lowering blood pressure dropping automatically release the high bioelectric currents in ear back channel at regular time and in fixed quantity by directly utilizing bioelectronics of body itself and through natural Therapeutical methods.

健康宝'数码物理治疗仪的降压功能是根据中医经络学理论，结合现代生物电学、物理学原理，以自然疗法刺激患者耳背的降压沟穴、通透'神门穴'，来调控大脑中枢神经指挥交感神经和迷走神经平衡工作，从而达到舒经活血、平？

Considering AA/O Oxidation Ditch aeration tank as seed sludge,the secondary flow high efficiency coagulat-ing technology could be utilized to enwrap the immobilization of microbe as the high concentration flocculent granule sludge.

以AA/O(Anaerobic-Anoxic-Oxic)氧化沟曝气池中的活性污泥为接种污泥，利用二次流高效混凝技术包裹固定微生物培养高浓度絮状颗粒污泥，使整个污泥体系形成悬浮的流化态，最后对其进行生物降解效果验证。

Karst moss is a unique ecosystem, which provide good environment for abundant biodiversity of epiphyte aquatic protozoan community.

岩溶藓类是一种独特的生态系统类型，维持了丰富的附生水生原生动物群落多样性。2006年11月26日至2007年1月26日，对贵阳市香纸沟岩溶沉积环境中8种藓类附生水生原生动物群落进行了野外生态调查，采集样品和标本48份。

Now, over 70 years old, his eyes were set deep in a sun-creased face titled at a cocky angle.

现在年过70岁的老爸，岁月在他脸上刻下了道道沟痕，深深的双眼却显得神气十足。

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。