sance

1.In fact, half my days seem to be spent in taking personal cogni-sance of Louis Bates.其实，我花了将近一半时间来亲自观察路易斯·贝茨。

2.A quick determination method for the sance and total acid in sauce preserved vegetable酱腌菜中食盐和总酸含量的一种快速测定方法

3.The Use of Traverse Scheme in Highway 's Reconnais Sance导线网在公路勘察中的应用