1·In order for parametric models to have any validity they must be based on or proven using actual project data.
为了参数的模型具备有效性，他们就必须基于或者被证明为是使用精确的项目数据的。
2·In fact, parametric equations of lines always look like that.
实际上，直线的参数方程总是这个样子的。
3·The behavior of good parametric code can be influenced by parameters that can be set at run time.
在运行时，可以通过设置参数来影响具有良好参数代码的行为。
4·It works like a parametric curve but with two parameters.
它像一个有两个参数的参数曲线。
5·That is a parametric equation for the sphere.
那是球体的一个参数方程。
1·That's one of the benefits of estimating: Parametric modeling gives us visibility into resource utilization, allowing us to do our jobs more quickly, more efficiently, and more accurately.
这就是评估所带来的好处之一：参量建模为我们提供了对资源利用的可见性，允许我们更加快捷、有效、精确的完成工作。
2·Study and design to the parametric loudspeaker system include the contents of two respects: software and hardware.
对参量扬声器系统的研究和设计包含了两个方面的内容：软件和硬件。
3·It is found that for the high power nearly perpendicular incident, electron cyclotron wave parametric processes may occur before it encounters the linear mode-conversion-layer.
发现对垂直入射的高功率的电子回旋波，在进入线性模转换层以前，参量不稳定性可以发生。
4·The results indicate that this method not only can match completely group velocities among three waves, but also can achieve maximal parametric bandwidth for continuous tunable femtosecond BBO OPA.
结果表明，利用该方法不仅能够完全补偿飞秒BBO光参量放大在连续调谐时三波的群速失配，而且能够实现最大的参量带宽。
5·System parametric errors of the instrument are reduced.
显著降低了仪器的系统参量误差。