According to the character of the surfaces of a propagating crack, the balance equations are material rate equations.
根据扩展裂纹表面的特征，平衡方程是实质率型方程。
Of course, he does not read every piece of material at the same rate, but whether he is reading a newspaper or a chapter in a physics text, his reading rate is relatively fast.
当然，他并不会以同样的速度阅读每一篇材料，但无论是阅读报纸还是物理文本中的一章，他的阅读速度都是相对较快的。
Using them wisely in the classroom, for instance, increases the rate of learning and learned material retention.
比如说，在教室里明智地使用它，会提升学习中的和已学过的材料的保持率。
The rate of our progress towards solving the material problems of life is not less rapid.
我们解决生活物质问题的进展速度依然迅速。
The rate at which the raw material is being consumed is determined by studying ionized gas regions and the younger stars (yellow/red extended regions).
原料（尘埃）正在被消耗的速率是研究电离气体地区和年轻恒星（黄/红扩展区域）来决定的。
The story begins, in a sense, in classrooms around the world, where students are taught that the rate of decay of a specific radioactive material is a constant.
这个事情要从世界各地的教室里说起，在那里学生学习到特定核素的衰变速率是恒定的。
The study confirmed the infiltration of regulators can promote the induction of embryonic cells: Add sorbitol or mannitol, due to accumulation of material within cells, callus growth rate slowed down.
该研究证实了渗透调节物质可促进体细胞胚的诱导：添加甘露醇或山梨醇后，由于细胞内物质积累，愈伤组织生长速率减慢。
Or a radioactive substance may be disintegrating at a known rate and we may be required to determine the amount of material present after a given time.
又如，某种放射性物质可能正在以已知的速度进行衰变，需要我们确定在给定的时间后遗留物质的总量。
The conditions which have an important influence on metal cutting are work material, cutting tool material, cutting tool geometry, cutting speed, feed rate, depth of cut and cutting fluid used.
对金属切削有重要影响的条件有工件材料、刀具材料、刀具几何形状、切削速度、进给率、切削深度和所用的切削液。
It has a fast deposition rate and surface cleaning features, in particular strong adhesion with the film, diffraction, and can be coated material widely and so on.
它具有沉积速度快和表面清洁的特点，特别具有膜层附着力强、绕射性好、可镀材料广泛等优点。
If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.
如果都把一个构件的最终断裂作为疲劳破坏的定义，则S - N曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。
Year by year, the social and material distances that separate Americans from one another are growing at an accelerating rate.
年复一年，社会和物质距离使美国人互相疏远，并且这个速度正在加快。
USES material not qualified. Such as sand, stone, aggregate quality unqualified; In addition, mostly because cement volume expansion rate is too large (stability serious adverse).
所用材料不合格。如砂、石、集料质量不合格；除此之外，大多数是因为水泥体积膨胀率太大(安定性严重不良)。
Then using this method, influence of gas wall material, gas wall thickness and flow rate of coolant on regenerative cooling of thrust chamber was investigated. The results were satisfactory.
然后使用这种方法研究了气壁材料、气壁厚度和冷却液流量对推力室再生冷却的影响，获得了比较满意的结果。
Honing experiments are executed and the relationships between reticulate cross-angle, honing pressure, honing rates and material removal rate are analyzed in rough honing.
对珩磨精密加工工艺进行了实验研究，分析了粗珩加工中网纹角、工作压力、珩磨速度与材料去除率的关系。
Composite silicate insulation material plasticity, low thermal conductivity, high temperature resistant, low pulp drying shrinkage rate, etc.
复合硅酸盐保温材料可塑性强、导热系数低、耐高温、浆料干燥收缩率小等特点。
Rate-based material costs are the costs of consumable material resources, such as building materials or supplies, to which you have assigned standard rates.
基于费率的材料成本是耗材资源（例如建筑材料或物资）的成本，您可以为材料资源指定标准费率。
The results showed that the thin plates produced by slurry method could improve the utility of active material and the ability of high-rate discharge performance.
实验结果证明：拉浆法制造的薄极板可以提高活性物质的利用率，改善了电池的大电流放电能力。
On the basis of analyzing the semiconducting material removal rate of EDM and making semiconductive modification for CVD diamond thick film by boron-doping, EDM of the thick diamond film was realized.
本文在分析了电火花加工半导体材料去除速率的基础上，通过掺硼对CVD金刚石厚膜进行半导体改性，继而实现了其电火花加工。
Based on this mechanism, a new mathematical model characterizing the material removal rate in CMP process was developed by using micro-contact mechanics and particle size distribution theory.
基于这种机理，应用微观接触力学和磨粒粒度分布理论建立了一种新的表征CMP过程材料去除速率的数学模型。
How to control the stress rate and strain rate of material testing machines scientifically and effectively is a key problem in the testing machine field.
如何科学有效地达到对材料试验机的应力速率及应变速率控制，是目前试验机领域的关键问题。
The result indicated that crack was caused by lath-shape inclusion in the material and high quenching rate.
结果表明，由于材料中存在长条状夹杂物及淬火冷却速度过快导致螺母开裂。
Because of the continuous decay, the quantity of radioactive material and the rate of emission of radiation decrease steadily.
由于连续衰变的结果，放射性物质的数量，辐射发射率都逐渐下降。
It is controlled by the sensitive index of the strain rate and the cavity growth rate of material.
材料的应变速率敏感性指数与孔洞长大速率通过不同的变形机理图控制着这种过程。
In order to get low surface roughness and high material remove rate, basic research on the optimization of process parameters in creep feed ultrasonic grinding engineering ceramics was conducted.
为了在加工中获得良好的表面质量和大的材料去除率，本文开展了蠕动进给超声磨削工程陶瓷参数优化的基础研究。
Introduced technological diagram, amount control for material input, adjustable device for flow rate, the principle, structure, advantage of the water plug pump and the operating result.
介绍该装备的工艺流程、下料量的调节控制、可调式恒流装置、堵水泵的原理、构造、优点及装备的应用情况。
The existence of the soft layer could increase the material volume removed by one particle and increase the material removal rate during CMP.
软质层的存在一方面增大单个磨料所去除材料的体积，增加材料去除速率；
By the principle of reversal process, the formula of material removal rate (MRR) in wafer rotation grinding process is deduced. The relationship between MRR and the grinding parameters is given.
在反转法的原理上，建立了硅片自旋转磨削材料去除率的理论模型，推导了材料去除率公式，分析了磨削工艺参数与材料去除率的关系。
By the principle of reversal process, the formula of material removal rate (MRR) in wafer rotation grinding process is deduced. The relationship between MRR and the grinding parameters is given.
在反转法的原理上，建立了硅片自旋转磨削材料去除率的理论模型，推导了材料去除率公式，分析了磨削工艺参数与材料去除率的关系。
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