We are at a critical time in our history.

We are at a critical time in history.

我们正处在历史的危急时刻.

Moreover this apper studies hydrogeochemical critical value of solute precipitation according to compute saturation index.

通过计算饱和指数,确定溶质水解沉淀的水文地球化学条件临界值.

The critical value of previous cyclic loading would change with different fines content.

而此临界前期反复荷重的门槛值随不同细粒料含量而变动.

For the widely used material CuCr 50, the current critical value scope about the order of mA.

对目前应用广泛的CuCr50触头材料而言, 此电流临界值范围为mA数量级.

Adiabatic shear instability will take place when the normal component of particle velocity excesses critical value.

发生绝热剪切失稳的条件是入射速度的法向分最大于碰撞过程的临界速度.

When the bottom hole pressure decreases to a critical value, the matrix will begin to yield.

随着井底流压降至某一临界值, 岩石骨架开始出现屈服.

When compressive stress reaches zero, a critical value of the post-peak Poisson's ratio is achieved.

当压缩应力降至零时, 峰后泊松比达到临界值.

The critical value of the constants given above was predicted.

预测了各参数的临界值.

The critical value of carbon increasing for FCW is about 0.05 %.

对于药芯焊丝,增碳的门槛值在0.05%左右.

Because 9.55 > 3.78, the 1 % level critical value, we reject the joint hypothesis.

因为9.55>3.78, 其中3.78为1%水平的临界值, 我们拒绝联合假设.

A wide range of countermeasures to further strengthen nuclear criticality safety management is suggested.

对于如何进一步加强核临界安全工作,从多角度提出对策.

We discuss a possible mechanism of criticality in environmental system and its critical characteristics.

讨论了环境系统临界性产生的一种可能机制及其临界特征.

The self organized criticality ( SOC ) of actual forest fire is influenced by complex external conditions.

在真实的森林系统中,由于外界因素的复杂性,森林火灾的自组织临界性要受到影响.

Therefore , the TRIPOLI-4.3 code can accurately calculate the initial criticality of high temperature pebble-bed reactors.

TRIPOLI-4.3程序是球床式高温气冷堆初始临界计算的有效工具.

Nursing of perioperative is the operation successful criticality.

手术前后的护理是手术成功的关键.

Greater ceremony is appropriate for projects with greater criticality.

项目的故障危害性越高,适用的正规度也越高.

The first criticality experiment of 5 MW Low Power Reactor ( LPR ) is described.

本文介绍5MW低功率 堆 ( 5MWLPR ) 首次装料及首次临界试验.

It was a critically important moment in his career.

那是他事业中至关重要的一刻。

Economic prosperity depends critically on an open world trading system.

经济繁荣关键要靠一个开放的世界贸易体系。

A youth was killed and another critically injured.

一名青年被杀，另一名受重伤。