英语释义

• ratio of the adjacent side to the hypotenuse of a right-angled triangle

片语

direction cosine[数] 方向余弦

cosine radiator余弦辐射体

cosine rule[数] 余弦规则

cosine impulse余弦脉沖

discrete cosine transform[数] 离散余弦变换

cosine theorem余弦定理

cosine oscillations余弦振蕩

Cosine Power余弦次方

arc cosine[数] 反余弦

cosine collector余弦收集器

英汉例句

• dx then dx is cosine theta d theta.

  的话，因为x=sin，θ，dx，，well，，if，x，is，sine，theta，那么dx=cos，θdθ

• you can see the normalized flux versus the normalized distance and that the shapes are basically cosine regardless of whether it「s an infinite slab or an infinite cylinder.

  你能看到标準化的流量和标準化的,距离，那些形状主要是余弦,不管那是个无限的平板或者,一个无限的圆柱。

• above, we plotted both the sine and cosine on the same graph.

  上面，我们在同一图中绘制了正弦和余弦曲线。

• of course i can set a line integral directly x = cos and compute it by setting x equals cosine t, but maybe sometimes i don」t want to do that because my vector field is really complicated.

  完全可以直接用一个线积分来做,就让，但是当向量场非常复杂的时候,我不想做线积分。

• given the vectors, one can calculate the distance between two items using measures such as the manhattan distance, euclidean distance, or cosine similarity.

  通过矢量，开发人员可以使用各种指标（比如说曼哈顿距离、欧氏距离或余弦相似性）来计算两个项目之间的距离。

• the product of the effective values of the voltage and current with the cosine of the phase angle between current and voltage in an alternating-current circuit.

  伏特量交流电路中电压与电流的有效值以及电流与电压之间相位角的余弦之乘积。

• the expressions of radial pressure distribution on the piston rings with non- cosine function and their characteristics are studied in detail in this paper.

  本文分析了非仅用余弦函数表达活塞环径向压力分布的方式及有关这种表达式的特性。

• it was found that the transmission spectrum of the filter is the cosine function modulated reflection spectrum of the fiber grating.

  结果表明该滤波器的透射光谱是余弦函数调制后的光纤光栅反射光谱。

• also, a rough sinusoidal pattern can be seen in plotting average daily temperatures for each day of the year, although the graph may resemble an inverted cosine wave.

  此外，一个粗略的正弦曲线图表可以在每天或每年的平均每日温度平面图表中看到，虽然这个图形可能和倒置的余弦波看起来很像。

• equation with double cosine function can improve the accuracy of prediction when facing two peak time series data .

  含有第二谐量的余弦方程能够更準确地描述具有两个高峰的周期性数据。

• the title can be abbreviated to t, as we do for the cosine curve.

  title可以缩写为t，正如我们对余弦曲线的设置。

• it is then subject to such mathematical indignities as wavelet decomposition, multi-resolution fourier analysis, polyphase filtering and discrete cosine transformation.

  接下来它还要经过一些数学处理程序，比如小波分解，多重分辨率傅立叶分析，多相过滤，离散余弦变换等。

• namely, the formulas would be x equals a sine phi cosine theta, y=a*sin =a the formulas for circle coordinates setting ro equals a.

  也就是说，公式是x=a*sin，φ*cos，θ,φ*sin，θ，z=a*cosφ，y，equals，a，sign，phi，sine，theta，z，equals，a，cosine，phi。,圆坐标取，ρ

• now you do not need to remember the pythagorean theorem or sine and cosine calculations. just type in your values and the program will complete the triangle.

  现在，您不必记得勾股定理或正弦和余弦计算。只要输入你的价值观和程序将完成三角形。

• well, the cosine of theta... see, this angle here 90 degrees projection cos divided by a itself.

  好，cosθ…,看这个角，90度的投影,θ是az，so，the，cosine，of，theta，is，a，of，z,除以a本身。

• and, we can use that to measure angles between vectors by solving for cosine in this.

  我们还可以通过解出式中余弦的方法,得到两向量间的角度。

• this paper proves that current harmonic is in direct proportion to unbalance degree and output power, and is inversely proportional to the cosine value of module input current phase angle.

  证明了输入电流谐波与输入电压不平衡率、输出功率均成正比，但与调制输入电流移相角的余弦值成反比。

• a better model might be to use sine and cosine functions with a periods of 1 day and 1 year. this we can do by changing the formula to

  更好的模型可能是使用以1天和1年为周期的正弦和余弦函数。

• if you go to an infinite cylinder it has a vessel function. and if you go to an infinite slab it has a cosine type shape.

  如果是一个无限的圆柱，它有）,管道功能，如果是一个无限的平板,它有余弦的形状。

• is a mathematical function that returns the trigonometric cosine of the specified angle, in radians, in the specified expression.

  一个数学函数，返回指定表达式中以弧度表示的指定角的三角余弦。

• in practice, the cosine measure is considered as the best model for document similarity search because of its good ability to measure similarity between two documents.

  余弦模型由于能够很好地度量文档之间的相似性，被认为是解决相似搜索问题的比较好的模型。

• it makes no sense to ask where the cosine function is. or if it does make sense to ask, the only sensible answer is that it is nowhere.

  追问余弦函数在哪里，是没有意义的；或者，如果追问确实有意义，那仅有的回答是「它不在任何地方」。

• all right. let「s try to substitute in that equation a sinusoid」s or a cosine solution, whichever one you prefer.

  好的，让我们试着把等式,带入正弦函数,或者余弦数来做，你喜欢哪个都行。