The research results indicate that at a distance from the knocked end, the 3-d dispersed wave motion can be described approximately with 1-d fixed shape wave.
研究结果表明，在离开敲击端一定距离后，直管中激励出的三维频散波动可以近似地用一维定型平面波描述。
In the news release, the linguists described their discovery as bittersweet: of the approximately 800 people who speak Koro, few are under the age of 20, meaning the language is endangered.
在新闻稿中，语言学家门把他们的发现描述为苦乐参半：在珂珞语的大概800名使用者中，几乎没有小于20岁的，这意味着这种语言正处于危险之中。
The testing that is described demonstrated that EFDs provide a substantial improvement (approximately 9X) in I/O performance when used in an OLTP database environment.
所讨论的这个测试说明了EFD用在一个OLTP数据库环境时能大大提高I/O性能（约为9倍）。
Blueprint's (approximately 250) CSS styles are divided into three functional groups, which are described in Table 1.
Blueprint的css样式(大约250种)可划分为三类功能，如表1所示。
Approximately 83% of children with rickets were described as African American or black, and 96% were breast-fed.
大约83%的患有软骨病的儿童为非裔美国人或黑人，96%的儿童还处于哺乳期。
They were described as being circular in shape with raised centers, approximately 50 feet in diameter.
被描述为圆形中间有突起，直径接近50英尺。
The negative resistance and the noise performances are calculated by means of small signal theory. The large-signal performances are also approximately described.
本文用小信号理论计算了其负阻和噪声性能，并进行了大信号性能的近似分析。
In the model, a concept of residue groups is introduced to describe the protein movement approximately and the movement of ligand is described by the translation, votation and torsion motions.
模型中引入残基基团的概念，将蛋白质划分成若干个残基基团，通过这些残基基团的运动近似表征整个蛋白质的运动情况，并将配体小分子的运动处理为平移、转动和柔性键旋转三部分分量。
Classically, ganglioglioma is described as a cystic mass with a mural nodule in approximately 40% of diagnosed cases.
典型的神经节神经胶质瘤表现为一个囊性肿块，接近40%的确诊病例可以见到一个壁结节。
An option is described as being at the money when the exercise price is approximately the same as that of the underlying instrument.
当期权的行使价非常接近标的资产的市价时，期权即处于平值状态。 平值期权实际上可以是处于略为价内或价外的状态。
An option is described as being at the money when the exercise price is approximately the same as that of the underlying instrument.
当期权的行使价非常接近标的资产的市价时，期权即处于平值状态。 平值期权实际上可以是处于略为价内或价外的状态。
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