The makers of the tracking systems say the software can determine the viewer's gender, approximate age range and, in some cases, ethnicity - and can change the ads accordingly.
这套追踪系统的制造商说该系统能够分辨出观看者的性别、大致的年龄范围，有时还能看出种族，然后根据具体情况改变广告的内容。
On condition that the approximate error was in allowable range, the optimization algorithm to fix cycloid parameters was given for the objective of the highest machining efficiency.
在保证逼近误差限制在允许范围内的前提下，以加工效率最高为目标，提出了确定摆线参数的优化算法。
In track simulation, the corresponding earth equivalent radius of a track in a specific range is approximate to the earth curvature radius of the latitudinal location of the target.
介绍了在航迹模拟中，一条航迹在一定范围内对应的地球等效半径，可以近似为目标所在的纬度的地球曲率半径。
The results show that the reduced bilinear model developed can approximate the reactor dynamics more accurately than the linear one over a much wider range around the operating state.
结果表明，这样产生的双线性模型能此线性近似模型在较宽的工作范围内精确地近似反应器的动态特性。
Our approximate results for specific heat at the high temperature range have the same temperature and volume dependence as that from the dynamical theory of crystal lattices.
对于比热，其高温展开形式与由点阵动力学得到的结果有同样的温度及体积依存关系。
In this paper, the approximate perturbation range of the state matrix of a linear time-invariant system is given, keeping the system controllability invariant.
本文给出了线性定常系统状态矩阵摄动时保持能控性不变的摄动区间的估计。
Experiments show that there is an approximate linearity in quite a large range for the red and green components. The green component is even more active than the red, but the blue is inferior.
实验表明，红、绿分量在相当大的范围内有近似线性，绿分量甚至比红分量的贡献更大，而蓝分量的贡献较小。
In currently range data processing, the estimate of parameters and patch calculating usually use polynomial to approximate, which often make much more truncation errors.
在目前靶场数据处理中，参数估计与补点计算等常用多项式拟合，往往带来较大的截断误差。
There are two methods to read data from common instrument in physics experiment: the approximate read and direct read. We disscussed the rules to read data and to evaluate the error range.
物理实验常用仪器的读数规则可归纳、简化为两种：估读和直读，借助这些规则可规范和简化不确定度的评定。
There is a wide range of particle sizes which approximate the log normal distribution law.
实验发现 ，颗粒粒度的分布服从对数正态分布规律。
There is a wide range of particle sizes which approximate the log normal distribution law.
实验发现 ，颗粒粒度的分布服从对数正态分布规律。
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