On practice-proved basis, this paper discusses briefly the experimental procedure and method of projecting scientifically the contrast teaching.
在实践验证的基础上，简论了科学设计对比教学的试验程序与方法。
Practice proved that technical reconstruction can prevent effectively the crack of exchanger tube sheet, and prolonged the service life of exchanger.
实践证明，该技术改造能有效的防止换热器管板的开裂，延长了换热器的使用寿命。
Practice proved the combined apparent resistivity and induced polarization method to find underground water was very successful.
实践证明，利用视电阻率法和激发极化法相结合的方法找寻地下水是非常成功的。
Engineering practice proved that we can avoid setting settlement joint if we adopt suitable form of structure and foundation, take a great diversity of methods.
工程实践证明，采用恰当的结构形式和基础形式，利用不同的方法，完全可以避免设置沉降缝。
The practice proved ventilation, airtight and heat insulation had positive influences on wheat safe storage for longtime in silo.
通过两年多的筒仓储粮实践表明，通风降温、密闭隔热储藏技术对立筒仓长期安全储存小麦有积极的作用。
The massive project practice proved the VC value has the remarkable influence to the roller compaction concrete performance.
大量工程实践证明，VC值对碾压混凝土的性能有着重要影响。
Practice proved that this method has simple principle and good transplantation capability, so it can be widely applied in various types of chip testing.
实践证明，这种方法原理简单，可移植性强，可广泛运用到各类芯片的测试中。
Practice proved that profiling finger, sleeve, etc special tools can shorten die manufacturing period and guarantee die manufacturing precision, and can be widely applied.
生产实践证明，仿形指、套筒等专用工具起到了缩短模具制造周期、保证模具制造精度的作用，可以推广应用。
Tests in practice proved that the model fits satisfactorily and worth of extension.
经实践检验，评价模型应用效果良好，具有推广价值。
Practice proved that the nc machining of hydraulic turbine blades features high machining efficiency and high accuracy, and dramatically improves the machining quality of turbine wheels.
实践证明，水轮机叶片数控加工工艺方法具有加工效率高、精度高等优越性，使转轮加工质量大幅度提高。
Practice proved that adding chemicals not only decreases the viscosity of crude but also the back pressure of well head decreased.
实践证明，掺污水加药既可以降低原油粘度，又可以有效地降低井口回压。
Practice proved that this method has certain accuracy and can meet the needs in engineering.
实践证明，该方法具有一定精度，能够满足工程需要。
The practice proved this method can guide optimal adjustment for combustion of boiler to enhance its operation economy.
实践证明这种方法可以指导锅炉燃烧优化调整，提高锅炉运行经济性。
The practice proved that the filter could realize system identifying and noise removing and achieve the effect of improving quality and increasing distance of underground communication.
实践证明该滤波器较好地实现了系统识别和噪声消除，能够达到改善井下通信质量、增加井下通信距离的效果。
The practice proved that it is feasible for this technology to be used in newly filled earth foundation.
实践证明该技术在新近填土地基中的应用是可行的，加固效果显著。
It is provided with the characteristics of reliable operation, easy control and good stability as the application practice proved.
运行实践表明，该系统具有运行可靠、操作简单、稳定性好等特点。
Practice proved that this is a easy and reliable way to decide the optimal infrared image surface position of the catadioptric systems.
实践证明，这是确定这类光学系统最佳像面的一个方便、可靠的方法。
The practice proved that the welding quality of stainless steel clad plate was very steady if following the welding points.
实践证明，只要遵循其焊接要点，不锈钢复合钢板的焊接质量是非常稳定的。
The practice proved that, using the appropriate Craft control method, is advantageous in enhancing the Coating quality and the Mechanical property.
实践证明，采用恰当的工艺控制方法，可有利于提高机械镀锌层的质量，提高镀锌层的机械性能。
The practice proved that transient electromagnetic exploration has good effect in exploring bedrock and differentiating rock strata.
实践证明：瞬变电磁勘探在勘探基岩及划分岩层方面效果较好。
The practice proved that judging blasting effect by means of the load change on props is an easy and applicable surveying and analysis method.
实践证明，利用支柱载荷变化判断爆破效果是一种简单实用的测试和分析方法。
The practice proved that the quality control flow scheme supplied a set of complete and standard manager methods for quality guarantee.
实践证明，质量控制流程为保证生产提供了一套较完整、规范的管理方法。
The practice proved that the geophone array is favorable tool for suppression of interference , having a good results and becoming a basic operation tool in seismic exploration .
实践证明，检波器串组合是压制干扰的有利手段，效果极佳，已成为地震勘探的一种基本工作方法。
The practice proved that the Algorithm could conform the problem of computer operating technical exam.
实践表明，二次回溯算法较好的适应了计算机考试领域技能题型的特点。
The repair practice proved that: by means of adopting reasonable welding repair process, the welding repair of lube oil cooler head made by cast iron was successful.
修复实践表明，通过采用合理的焊接修复工艺，铸铁制油冷器封头的焊接修复是成功的。
Practice proved that the die structure was reasonable and the manufactured parts were able to meet the needs of the use.
实践证明：该模具结构合理，生产的制件可以满足使用要求。
The practice proved that, compared with Grigorian method, generalized contrast value method can reflect objective law better and make calculation easier.
实践证明，与格里戈良法相比，广义衬值法更能反映客观规律，且计算简便。
Practice proved, the new technology of instant flotation for chalcopyrite and pyrite with the character of collector "CSU-A" has reasonable flowsheet structure and advanced technique indexes.
实践证明，以捕收剂CSU - A为特征的黄铜矿、黄铁矿快速浮选分离新技术，流程结构合理，工艺指标先进。
The practice proved that the improved equipment of Kjeldadhl method can meet the requirements of constant nitrogen analysis completely.
实践证明，改进的凯氏定氮装置完全可以满足常量定氮分析。
Years of practice proved that the technique is suitable to different exploration stages and is a mature one.
多年来的实际生产应用表明，该技术适应不同勘探阶段提出的任务，为一项实用的成熟技术。
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