非有效的

It can effectively prevent cracking,by analyzing the chemical and mechanical pefformanee of this clad plate,carrying on the non-standard highest hardness test,metallographic analysis and simulation welding test,and using 890 ℃×4 h preweht air-cool heat treatment,postweld 250 ℃×2 h hydrogen removal heat treatment and final 620

通过分析该复合管板的化学成分和机械性能，并进行了非标准的最高硬度试验、金相分析和模拟试焊，采用890℃×4h焊前空冷热处理、焊后250℃×2h消氧热处理以及最终620℃×4h退火热处理措施，可有效防止裂纹产生。

The theory analysis and simulation results demonstrate that, to the non-correlation signal, MUSIC algorithm is also an effective method for the measure of target direction angle.

理论分析和仿真结果表明，对非相关或相干信号，MUSIC算法是一种有效的测量目标方位角的方法。

Fault location in a neutral ineffectively grounded system when a single-phase-to-earth fault happened is a problem unsolved in the world.

中性点非有效接地系统中的线路单相接地故障定位是一个至今在国内外还没有很好解决的难题。

The elastic wave test is an effective method for the nondestructive evaluation of concrete structures.

弹性波法是用来评估混凝土品质的一种相当有效的非破坏检测法。

According to the analysis of real pitch errors within the mechanical angle of 0°~360°, the reason that caused the bouncing pitch errors between odd sampling and even sampling is the noneffective voltage of inductosyn angular measuring system.

根据实际测量得到测角系统在0°~360°之间全部零位误差数据，分析测角系统产生奇、偶点跳跃零位误差的原因来自于感应同步器测角系统引入的非有效电势。

SEVIS currently lists more than 1,000,000 active, nonimmigrant students and exchange visitors and their dependents.

目前，SEVIS在册了100多万名有效的非移民学生、交换学者以及他们的家属。

They are all effective, nonmedical ways of dealing with anxiety.

这些都是有效的应对焦虑的非医学方法。

The argument in such syllogisms is valid by virtue of the fact that it would not be possible to assert the premises and to deny the conclusion without contradicting oneself.

在这样一个三段论中，推理是有效的，结论成立。因此，考生应非产清楚，一个三段论中有两个前提，一个结论，用公式表示为

Objective To explore noninvasive and effective method to detect Helicobacter pylori in saliva.

目的 探讨一种有效的非侵入性幽门螺杆菌诊断方法。

This report aims to bring up with some effective ability-cultivating ways for Business English students in order to self-learn the foreign language knowledge and skills at non-teaching environment.

此论文旨在提出一些有效的学习能力培养方式，使商务英语学生能够在非教学环境中，自主学习外语知识和技能。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。