Double-headed wrench stay dominant products, Plum wrenches, dual-use wrenches, active wrenches to all specifications, good quality and low price, high reputation, well-known tools sector.
主导产品双头呆扳手，梅花扳手，两用扳手，活络扳手，以规格全，质量好，价格低，信誉高，闻名工具界。
2
The results showed that the additive and dominant effects and their interaction effects with environments are significant for the traits of double-ear silking and kernel bearing.
结果表明，玉米双穗抽丝同步性和成穗同步性的加性、显性及其与环境互作的遗传效应均达到极显著水平。
3
An internal model controller design for industrial process with dominant delay is proposed, it makes internal model control combine with double-port control and is a proved technique.