upper curve

There should be a slight inward curve in your lower back, an outward curve in your upper back, and another inward curve at your neck.

这时你下背部应该是一条略微内凹的曲线，上背部是一条略微外凸的曲线，脖子则是另一条内凹的曲线。

The temperature upper limit was determined with 1st stage temperature shrinkage curve of the film, which can ensure the heat-sealing strength and reduce the heat-sealing time, reduce the damage rate, and ensure the beauty of the sealing line.

确定了对于共挤薄膜的热封温度应取温度收缩曲线的一阶段作为上限，并在保证封口强度的基础上，应减少热封时间，可以有效地减少破损率，保证封合处的表面美观。

The upper-structure of bridge employs catenary curve non-hinge arch.

桥梁上部结构形式定为悬链线无铰拱。

The system achieves peer to peer communication for upper and lower computer, real time response of the control order with displaying testing curve, state of lower computer and effective management of testing parameters and date of testing results.

其实现了上、下位机的对等通信，实时响应控制命令并显示测试曲线、下位机状态以及测试参数和测试结果数据的有效管理，提供了友好的用户界面。

The self-similar traffic getting into the GPS system was regulated using the envelope curve of the fractal leaky bucket ( FLB). The upper bounds on queue length and delay of the GPS system with self-similar traffic input was derived.

通过使用分形漏桶的包络曲线对进入GPS系统的自相似业务流进行整形，推导了利用自相似业务流作为输入的GPS系统的队列长度和时延统计上界。