second-order system

In this paper, the Mach number control system in NF-6 wind tunnel is introduced, especially in detail for the compressor rotary speed control sub-system, the compressor stator vane control sub-system and the second throat control sub-system. angle.

笔者介绍了NF6风洞马赫数控制系统的组成、特点及运行方式，对转速控制子系统、压缩机静叶角控制子系统、二喉道栅指控制子系统等进行了较为详细的介绍。

HACCP system of smoked and cooked sausage processing was established. The critical control points were choice and receiving of material meat, repair, the second whipping, smoking and cooking, cutting, the second sterilization and checking of final products.

建立了低温熏煮香肠的HACCP体系，其中关键控制点为原料、修整、搅拌、熏煮、剪节、杀菌和成品检验。

Second, I have investigated the relationship between the sensitivity of the system and parameters of external disturbances ( such as frequency, amplitude), fiber length of the delay system, and sensing fiber length of the system, respectively.

其次分析了非平衡MZI-Sagnac型光纤传感器灵敏度与外界扰动参数（如频率、幅度）和系统中延时纤长度、传感纤长度之间的关系。

Second, analyze the test system of probe group array.

然后分析多分量探头组阵列探伤系统。

Saturn is the second biggest planet in the solar system.

土星是太阳系中的第二大行星。

The second step is to redesign the school system so that it produces a well-educated population.

第二步是重新设计学校体制以造就高素质的人口。

The research results show that the biological evaluation system of the learners' controls stimulus evaluation and learning motivation in the second language learning, positive motivation and emotion promotes second language learning.

研究结果表明，学习者的生物评价系统控制第二语言学习中的刺激评价和学习动机，积极的学习动机和情感促进第二语言的学习，反之则会起阻碍作用。

Rather, it is to recognize that in America's vast criminal justice system, second chances are crucial.

相反,我们应该认识到,在美国庞大的刑事司法体系中,第二次机会至关重要。

Second, it discusses how to set set my suspect knows the right system.

其次，探讨如何设置设置我国犯罪嫌疑人知悉权制度。

Second, accounting market lies in social economic management system of social economic system, and it produces relations o basic property and sustainable property with social economic organization system and social economic safeguarding system.

其次，会计市场存在于社会经济系统中的社会经济管理系统中，而与社会经济组织系统和社会经济保障系统发生基础性与支持性的关系；