unaided

observe with an unaided eye

以肉眼观察

made an unaided attempt to climb the sheer cliff.

试图独自攀登悬崖

Eventually, the metal will crumple and uncrumple, totally unaided, in response to changes in temperature and without any sign of metal fatigue.

随后它可能被弯折成其它形状，但一旦再次加热，就会迅速地自动复成最 初的圆圈状。

Despite all this, it is also the most manoeuvrable, able to turn unaided a full 360 degrees, in port.

此外，玛丽皇-{后}-二号有极佳的操控性，能自行转弯360度；

Flashing microtext that, when viewed with the unaided eye, appears to be part of the line design, bet under magnification is seen as a repeated pattern of words, codes or numbers.

通过使用微缩文字，来增加防伪特征。闪烁的微缩文字，有使用放大镜的情况下，看到的只是一条线，而使用放大镜观看时，可以看到连续重复的文字、编码及数字等。