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Hydrogen cyanide is thermodynamically favored under partial oxidation conditions (i.e., steam-to-carbon ratio of 0.00) at high temperatures and low oxygen-tocarbon ratios.

氢氰酸的生成在高温和低的氧－碳比的相对氧化性（如：蒸汽－碳比为0.00）的条件下动力学有利。

The root cause of Meniérè's disease is unknown, though the symptoms are thought to be produced by an increase in the fluid pressure in the inner ear, i.e "endolymphatic hydrops."

梅尼埃氏病的病因目前未知，从症状看是内耳液压的增长产生的，比如"内淋巴水肿"。

One important feature ofHamiltonian systems is that it has energy(its energic function is Hamiltonian func-tion),then,its solutions on 2-dimensional plane are some contour lines,the points onstable manifold emanating from hyperbolic equilibrium point have the same energyas that on unstable manifold,then,one can guess that they form a closed curve,i.e.homoclinic orbits under certain conditions,and the contour lines in the innerpart of homoclinic orbit are periodic orbits.

哈氏系统的一个重要特征是它有能量存在(以Hamiltonian函数作为它的能量)，那么在二维平面上，它的解表现为一些等值线，从双曲平衡点发出的稳定流形和不稳定流形上的点具有相同的能量，那么可以猜测，在一定条件下它们构成一条封闭的曲线，即同宿轨，而且其内部的等值线都是周期轨道。

The analytical expressions of two kinds of pulse width of ultrashort hyperbolic secant pulses were deduced,i.e.the pulse width at full width at half maximum which was used generally and the root-mean-square pulse width which was precise.

利用理论推导和数值模拟方法，给出了超短双曲正割脉冲较为严格的均方根脉冲宽度与通常使用的半高全宽脉冲宽度的解析表达式，并对两种脉冲宽度进行了比较。

The special nature of loaning activity brings about the problem of "being hypercritical ", it also determines the special economic value of the trust between the debit and credit sides, i.e. making the best use of the mutual resources by reducing the cost of trading.

借贷活动的特殊性，决定了其更加容易造成"过分挑剔"问题，进而决定了借贷双方之间的信任具有更加特殊的经济价值——通过减少交易费用的方式实现借贷双方资源的有效配置。

Factors associated with failed treatment included increased pain with hyperextension and axial rotation (i.e., facet loading), duration of pain and previous back surgery.

治疗失败的相关因素包括伸展过度和轴向旋转时疼痛加重，疼痛持续时间以及前期的背部手术。

In this thesis, we totally depict the spectrum of the Laplacian on theclosed hypersurface with constant mean curvature and constant scalar curvaturein S~4, i.e., compute all eigenvalues of such closed hypersurface.

本文完整地刻画了S~4中具有常平均曲率和常数量曲率的闭超曲面上Laplace算子的谱，即计算出这类闭超曲面的各阶特征值。

One has to be careful of using vitamin A in the cat for 2 reasons: first the cat can't absorb or convert well the beta-carotene forms (i.e. those found in plant foods), so s must be given in the form of liver or fish oil, secondly, vitamin A shouldn't be used for more than 6 weeks or there is a risk of hypervitaminosis A and excessive bone deposition.

给予猫咪维他命A必须要小心，因为两个原因：第一，猫咪不能吸收或完整转换beat葫萝卜素型的维他命A，所以必须给予肝脏或鱼油型的。

No, this is the first time I e here.

不，这是我第一次到这儿来。

I'e got it in my office.

我把它放在我办公室了。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。