At present, there is no effective control measure.

目前，没有收效显著的控制办法。

youdao

Based on the habits of litchi mites, one of the effective control measure for young trees is to remove the infested shoots before new shoots occur.

基于这一习性，在荔枝树未发新芽前剪除害梢是防治该螨的有效方法，较适合于幼树。

youdao

Vaccination has been widely used as a cost-effective measure to control infectious diseases, as exemplified by the soon-to-be-confirmed eradication of rinderpest.

免疫接种作为具有成本效益的措施而被广泛用于传染病控制，即将根除的牛瘟就是一个具体例证。

youdao

Yet it is necessary to know either the HR inputs that are likely most effective, or how to measure or control business outputs.

FORBES: HR Analytics And Competitive Advantage

For cost control to be effective, the professional autonomy and independent clinical judgment of the physician and other providers must in some measure be sacrificed to standardization.

WSJ: David Leffell: The Doctor's Office as Union Shop