And, even then they are subject to some degrees of error.

而且，即便是到了研究级别，他们的结果也会有一定程度的错误。

And they found that, with the insects' innate sensing and processing equipment, they can likely sense compass direction down to just a couple degrees' of error.

他们发现， 利用昆虫天生的传感和处理设备，它们很可能可以将罗盘方向感知到只有几度的误差。