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1·It is pointed that the skeletal age standard lias to be revised every 10 years.

由此提示骨龄标准每隔10年修订一次是必要的。

2·It had been founded in 1993, and lias been paid great attention in fields of military and social-life application.

该系统于1993年正式建成并投入使用，在军事和社会生活诸多领域的功效受到广泛重视。

3·China lias made universally acknowledged remarkable effects since the positive financial policy implemented in 1998.

我国自1998年实施积极财政政策以来，取得了举世公认的显著成效。

4·So, in the new competition background, the sales channels construction of the telecom enterprises lias become a highly - valued task.

因此，在新的竞争背景下，电信企业营销渠道建设已成为一个值得高度重视的课题。

5·The toxic phospholipase A of Vipera russelli siamensis venom is composed of 124 residues from 18 kinds of amino acids and lias a molecular weight of 13,883 daltons.

福建产圆斑蝰蛇毒毒性磷酯酶A_2分子由18种氨基酸的124个残基组成，由此计算它们的分子量为13，883。