The parameters in this model have definite physical meaning and are easy to be measured.

模型中的参数具有明确的物理意义，且容易测量。

youdao

Piezo-electrical micro-fork has good resonant property, and its vibration is easy to be measured.

压电微音叉具有良好的谐振特性，并易于实现其振动的检测。

youdao

It can be considered that predicting the coal combustion efficiency index by using the coal vitrinite reflectivity index, because the latter is easy to be measured.

因此，可考虑用易于检测的镜质组随机反射率方法预测煤的燃烧率。

youdao

The easy bit to understand is the claimant count, as that's computerised and can be measured to the nearest individual claimant.

BBC: No longer the poor relation