当声波是空间位置和时间的周期函数时,平面波误差项永远是一负偏差项。
The plane wave error is always negative windage, when the sound wave is the cycle function of space and time.
当交流系统发生三相不对称故障时,忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when unbalanced fault occurs in AC system.
梯度使气流方向测量值向负梯度方向偏转。圆柱探针和锥形多孔探针相比,气流方向测量误差对速度梯度更敏感,纵向梯度对俯仰角测量值的影响尤其大。
The velocity gradient, especially the perpendicular velocity gradient, leads the measuring error of flow angle with cylindrical probe to be larger than with conical multi-hole probe.
本文给出了线性模型中椭球约束下,误差方差非负二次估计可容许的一个必要条件。
This paper gives a necessary condition for the admissibility of a nonnegative, quadratic estimator for error variance in linear model with respect to restricted ellipsoidal parameter space.
我如何指定在GLM使用负二项式误差分布?
How do I designate a negative binomial error distribution in a GLM using r?
这种误差影响了齿形精度,特别是负前角插齿刀,现行的设计方法不能满足齿形精度。
This error has influenced the precision of gear, especially, when negative rake Angle of gear-shaped cutter is used, the current design method has not reguired the profile precision.
采用加矩形窗fft插值算法,谐波的负频分量对谐波计算的误差影响较大。
For rectangular window FFT interpolation algorithm, the negative frequency components of harmonic components have a greater impact on the fundamental calculation error.
另外,计算边界的选择和负压计的精确性也是造成各种计算方法误差的重要因素。
In addition, the calculating limit and the accuracy of the tensiometer are important factors that result in calculating errors.
文中给出并证明了在椭球约束条件下线性模型中,误差方差的非负二次估计的可容许性问题的一个必要条件。
The paper raises and proves an essential condition of volumetric property of nonnegative secondary estimation of deviation and variance in linear model.
第三条零售商品经销者销售商品时,必须使用合格的计量器具,其最大允许误差应当优于或等于所销售商品的负偏差。
Article 3 When selling commodities, a retailer must use eligible instruments of measurement, and the allowed maximum error shall precede or be equal to the minus deviation of the commodities sold.
在紧密纺大风机系统设计中,车头、车尾各锭的负压差异要保持在允许误差范围之内。
When designing FDF system of compact spinning, the negative pressure drops resulting from spindles at the front and back of the machine should be kept within allowance.
对短时距的判断通常表现为正时间顺序误差,而对长时距的判断则表现为负时间顺序误差。
Positive time-order-error often occurred in the judgement off-short time interval, negative time-order-error was more likely to occur in longtime interval.
从系统功能设计过程出发,在分析反馈系统工作原理及其功能角色模型构造特点的基础上,认为反馈信号在输入端可等效为正、负、零三种误差信号。
In this paper, based on the functional role model theory, the reasoning rule and the technique of FMEA, which are facing to Built in Test BI.
从系统功能设计过程出发,在分析反馈系统工作原理及其功能角色模型构造特点的基础上,认为反馈信号在输入端可等效为正、负、零三种误差信号。
In this paper, based on the functional role model theory, the reasoning rule and the technique of FMEA, which are facing to Built in Test BI.
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