Push hard and fast. Aim for a rate of about one hundred compressions each minute.

If no pulse, initiate chest compressions.

如无脉搏, 行胸外按压法.

The only little change that the face ever showed resided in the two compressions or dints.

这面孔上所仅有的小变动全在这两个凹处或瘪处.

In those two compressions , or dints, the only little change that the face ever showed, resided.

而他那脸上仅有的变化却正表现在那凹陷之处(或叫鼻翼小窝).

The compressive strength was as high as 350 MPa.

抗压强度高达350MPa以上.

Tthe compressive properties are of interest for specifications and quality-control purpose.

对于确定规格以及质量控制的目的,压缩特性是关注所在.

Objective : To evaluate the diagnosis and surgical indications of vascular compressive tinnitus.

目的: 探讨血管压迫性耳鸣的发病原因及提高手术治疗的方法.

Compressive tests are used to determine the material behaviour under load.

压缩试验被用来确定材料在载荷下的特性.

Autogenous deformations, internal relative humidity and compressive strength were recorded.

自体变形, 内部相对湿度和抗压强度的记录.

Stresses applied to plastically deform the metal are usually compressive.

适用于金属塑性变形的应力通常都是压应力.

Most metals have high tensile strength and high compressive strength.

大部分金属具有较高的抗张强度和较高的耐压强度.

Production of products of high compressive strength, the standard specifications, design aesthetic.

生产的制品抗压强度高 、 规格标准 、 图案美观.

Dynamic compressive properties of FS were tested using split Hopkison compressive bar.

使用霍普金森压杆测试了泡沫铝试样的动态压缩性能.

Laboratory testing included sieve analyses and unconfined compressive strength testing.

实验室测试包括筛分析及无侧限抗压强度测试.

During transportation and storage, keep away from moisture and compressive deformation.

在运输和储存过程中应注意防潮和防止受压变形.

In the course of time , they are subjected to compressive stresses in the direction of bedding.

最后, 它们沿层理方向承受压缩应力.

Experiment shows, polymer polybasic alcohol can effectively enhance the compressive stress of polyamine soft foam plastic.

研究结果表明:聚合物多元醇能有效地提高聚氨酯软泡的压陷性能.

The mechanics behavior of membrane material under residual stress and compressive stress has been studied.

涉及力学问题有薄膜材料在残余应力和外载荷作用下的变形、应力、断裂和屈曲等.

A unified numerical expression of the compressive stress-strain curve applicable to concrete is put forward.

研究了自密实混凝土在受压过程中的变形,建议了适用于受压应力 — 应变曲线的数学表达式.

Destruction mechanism of rock included crack under compressive stress condition had been discussed.

探讨了含有裂隙的岩石在压缩状态下的破坏机制.

Thus, under the same bolt tension, reduce narrow smooth surface after the compressive stress will increase.

这样, 在螺栓张力相同的情况下, 缩小后的窄光滑面的压紧应力就会增大.