下纲

围网下纲载荷对下纲沉降特性的影响

The influence on sinding characteristics for leadline load of purse seine

塔身建造在巨大的水下纲筋混凝土平台上。

The towers are built on immense underwater platforms made of steel and concrete .

对一平面网片，采用在不同部位装配沉子，进行下纲沉降试验，测试沉降时间和沉降深度。

The sinking time and sinking depth of plane netting lead line have been measured under conditions of different distributions of lead sinker on netting .

通过对实测数据和理论分析，阐述了在收绞括纲过程中围网下纲提升速度的变化规律和影响下纲提升的主要因素。

In this paper , the law of change on raising speed of leadline and main factors affecting leadline going up have been expounded by analysis to measured datum and theory .

在《信息技术新课标》的指导下，一纲多本的高中信息技术教材多元化的趋势日益显著。

Under the guidance of IT New Standard , the trend of diversification of IT teaching materials in high school is growing significantly .

在海岸潜水处的泥浆或石头下挖洞的甲壳纲动物。

Crustaceans that burrow in mud or under stones in shallow water along the seashore .

试验表明，氟吗啉在100～200mg/L（相当于100～200ga.i./hm2）剂量下对卵菌纲病原菌引起的黄瓜霜霉病、白菜霜霉病、番茄晚疫病、辣椒疫病、葡萄霜霉病等具有优异的活性。

Tests indicated that flu-morph has perfect activity against the diseases caused by oomycetes such as downy mildew of cucumber , downy mildew of Chinese cabbage , late blight of tomato , late blight of potato , downy mildew of grape at the dosage of 100 - 200g a.