This paper proposed that self-propelling cultivator ought mainly adopt right-angle blades,provided the method to design the geometrical parameters of right-angle blades frontispiece,analyzed the s.
针对耕耘机独特的结构及其工作原理,提出了耕耘机刀片类型的选择以直角刀片为佳,并提出了直角刀片正切面几何参数的设计方法,分析了直角刀片侧切刃滑切性能,为耕耘机设计提供了一定的理论依据。
Objective: To evaluate the clinical value of screening fetal facial malformations through three section of orthogonal.
目的:探讨三切面正交法对胎儿面部畸形进行筛查的价值。
It dicusses two approach to calculate diameters of convex polygons,using the sign sequence of tangent function and consine function of the angle,and gives out the calcu-lating process.
算法分别讨论了利用求夹角正切值符号序列和余弦值符号序列来求解凸多边形直径的两种途径,并给出了各自的算法实现,最后对算法进行了验证,实验结果证明夹角符号序列算法效率高、可靠性好。
The tangent may be used to find the direction.
这方向也可用正切求得。
The reciprocal of the tangent of an angle in a right triangle.
余切直角三角形中角的正切的倒数
The tangent of the complement of a directed angle or arc.
余切有方向角或弧的补角的正切
Be sure you is right, then go ahead.
确信正确，切莫畏缩。
" You're fine. Have a drink of water."
“你一切正常，喝点水吧。”
"Just try to relax," he said, "Everything is all right.
“尽量放松一点。 一切正常。”
Everything seemed so normal.
一切看起来都那么正常。
All seemed to be going well,
一切似乎都很正常，
Is everything all right in your room?
您的房间一切都正常吗？
Miss Rachel was in high spirits.
雷切儿小姐正在兴头上。
While Joe was slicing bacon for breakfast,
乔正在切咸肉片做早餐，
Everything will be normal again.
一切又将回复正常。
equalizer Mercator chart
赤切圆柱正形投影海图
He is equipped with a deep sense of justice.
他具有深切的正义感。
Living room, bedroom - all was as it should be.
客厅、卧室──一切都很正常，
omnia pro rite praesumuntur
一切系正当行为之推定
The little girl was slicing through the cake.
小姑娘正在切蛋糕。
Mother was busily cutting sandwiches.
母亲正在忙着切三明治。
