| 1. | Diagnosis preventation and remedy of herbicides ' phytotoxic effect
除草剂的药害诊断及预防补救 |
| 2. | Inspection and preventation control of plate undee distortion after welding
板材焊后波浪变形的检验及预防控制 |
| 3. | Safety of machinery - preventation of unexpected start - up ; german version en 1037 : 1995
机器的安全性.避免意外起动 |
| 4. | Preventation amp; amp; countermeasures to eu anti - dumping policy by domestic enterprises
国内企业防范和应对欧盟反倾销之策 |
| 5. | This paper introduce source of network security and security leak of tcp / ip protocol , and introduce all kinds of security preventation technology at the same time , it has reference value when we recognize network and network security
摘要介绍了网络安全的来源和tcp / ip协议的安全漏洞，同时介绍了当前网络采用的各种安全防范技术，对我们认识网络和网络安全具有很强的参考价值。 |
| 6. | This paper presents an optimized computer program to analyze different factors that will affect for energy dissipation and erosion preventation which is especially important in design of cofferdams . the graphic in this paper also show the manner and degree of the effect that caused by these factors
同时，本文还利用该优化计算程序对文中所分析到的影响围堰和坝体过流的各种消能防冲因素进行了验证，以图表的形式更进一步的说明了各种因素的影响方式和程度。 |
