An eyepiece with wide apparent field (in degrees) and lower powers used on a telescope allow wider fields of view.

较宽的目镜视场搭配较低的放大率可以得到更宽的视场角。

youdao

As you are defining the elements of the sketch with the user, it becomes apparent that a Document artifact is necessary to define the validation rules for a particular field.

在您和该用户定义元素草图时，就会意识到，需要使用Document工件来为特定的字段定义验证规则。

youdao

"Another challenge facing clinicians is the fact that apparent visual field progression often is not confirmed on repeat visual field testing," he said.

他说：“临床医师面临的另一挑战是在重复检测视野的时候常常难以发现明显的视野损害进展。”

youdao

The need to mobilize knowledge from several disciplines is particularly apparent in the field of disaster risk reduction.

UNESCO: EDUCATION

But it is not apparent on the field.

FORBES: Nick Saban Is Still The Most Powerful Coach In Sports. He's Also One Of The Best.

The idea of using a magnetic field as a solar sail was first suggested a few years ago, but it soon became apparent that creating a field strong enough to be useful would require exotic superconducting materials that, unfortunately, do not exist.

ECONOMIST: Rockets are not the only way to travel through outer space