weak-current line

In the radar echo images the squall line showed herringbone or bow, bull's-eye structure and the main front was associated with thin ribbon weak echo which was the sign of the emergence of gale.

在雷达回波图上呈人字形或弧形，有“牛眼”结构，主回波前缘有细长带状弱回波是出现大风的征兆；

Two divisions were ordered up to strengthen a weak point in the line.

两个师被调到前线去加强一个薄弱环节.

His legs were thin and weak ， and he could not walk in a straight line.

他双腿瘦弱，一路东倒西歪。

A weak precipitin line was observed between the concentrated virus and the IBD positive serum or IBD egg york antibody Igy in the AGP test.

浓缩病毒与IBD阳性血清和IBD高免卵黄抗体IgY琼扩反应呈弱阳性。

The Common Weak Link Existing in the Domestic Medium and Heavy Plate Production Line and the Future Modification Orientation

国内中厚板生产线共有的薄弱环节及今后的改造方向