easy grade

note: to balance the attention, otherwise christmas tree is easy grade.

注意：要注意平衡，否则圣诞树很容易倒的。

And for the high-grade, the writer felt easy, because of the particular recordation.

在考土州 、 土县的建置沿革时,相对简单, 因为史籍在对这些高级别的土司记载较详细.

For its technological properties NF-1 surpasses similar home-made products. It has the ability of improving dyeing fastness about 0. 5-1 grade and it is also easy to use.

经实际应用，NF-1涂料染色粘合剂使用方便，各项性能优于国内同类产品，能提高牢度0.5～1级。

AN Hardware: Aircraft grade bolts! Easy for repair and familiar to A & P's world over.

一种硬件: 航空级螺栓! 简易修理和熟悉到A & P的世界各地.

Most teachers at that time thought this new letter grading system was an easy, fair and clear way to grade students.

当时大多数教师认为这种新的字母评分系统是一种简单、公平、清晰的给学生评分的方法。