查询词典 concave

The load curve is concave upward which transfer from bottom to top of the underreamed anchor, the frictional stress distribution along the fixed end is trapezoid.

地锚之荷重传递曲线呈凹向上之方式由锚底向锚顶传递，摩擦应力则大致呈梯形分布。

Methods］When scoliosis of patients were corrected to a certain degree after three weeks of halo pelvic distraction, the most serious collapsed ribs of concave side of the curve underwent a transverse incision the cross ribs. A special rib bender was used to bend the exposed 3 to 6 ribs. The bent ribs were pulled up by double-stranded 10# thick silk which was extended out through the skin and fixed in the upright post of the instrument of Halo pelvic distraction with rubber membranes.

方法］颅盆牵引3周后，脊柱侧弯矫正到一定程度时，在侧弯凹侧肋骨塌陷最重的部位，与肋骨交叉作横切口，暴露3～6条肋骨，用特制的肋骨折弯器将肋骨折弯变圆，用10号双股粗丝线将每条肋骨提起，自皮肤穿出通过橡皮膜在颅盆装置的立柱上作牵引。

［Objective］To sum up the experience of wearing the halo pelvic and level traction costoplasty to treat 35 cases of severe scoliosis combined with collapsed chest.［Methods］When scoliosis of patients were corrected to a certain degree after three weeks of halo pelvic distraction, the most serious collapsed ribs of concave side of the curve underwent a transverse incision the cross ribs. A special rib bender was used to bend the exposed 3 to 6 ribs. The bent ribs were pulled up by double-stranded 10# thick silk which was extended out through the skin and fixed in the upright post of the instrument of Halo pelvic distraction with rubber membranes.［Results］Thirty-three in 35 patients underwent costoplasty.

［目的］介绍35例重度脊柱侧弯合并严重胸廓塌陷的病例，在颅盆牵引的过程中，同时采用肋骨成形术加水平牵引治疗胸廓塌陷［方法］颅盆牵引3周后，脊柱侧弯矫正到定程度时，在侧弯凹侧肋骨塌陷最重的部位，与肋骨交叉作横切口，暴露3～6条肋骨，用特制的肋骨折弯器将肋骨折弯变圆，用10号双股粗丝线将每条肋骨提起，自皮肤穿出通过橡皮膜在颅盆装置的立柱上作牵引。

In reality, the unit cost decreases as the amount transported increases, resulting in a concave cost function.

在实务上，货物运送的单位成本常随数量的增加而递减，成本函数曲线为凹形。

The graph of a concave function is always below its tangent.

一个凹函数的图象总在它的切线的下方。

We show that synchronicity is a concave function of ownership by the largest shareholder with its maximum at an approximate 50% level.

我们发现，同步性是最大股东所有权的凹函数，在近50％的水平上达到最大值。

In order to overcome the nonsmoothness of the objective function, we usea smoothed concave function to approximate the objective function.

为了易于求解该模型，本章采用一个光滑的凹函数来近似目标函数。

Assume that the transaction cost funaction is a convex function and the tax function is a concave funcatioh.

我们假设交易费用是交易金额的一个凸函数，而缴纳的税费是其收入的一个凹函数。

The experimental results of power output as a function of the concave mirror transmission and the mirror-waveguide distance basically agree with the corresponding theory.

通过实验研究了输出镜透过率及耦合距离对激光器输出功率的影响，实验结果与理论基本相符。

For the case of two products, we show that the objective function is concave and submodular, and obtain the optimal condition for the order quantities.

接着，我们从最优采购量、销售商的最优期望收益值及对顾客的服务水平等方面对销售商采用替代策略和不采用替代策略的两种情况进行比较，证明了销售商采用替代策略可以提高其经济效益及对顾客的服务水平。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48