An omission is a significant social process that a person exerts on objective world in omissive way . it means he does not conduct as expected . a conduct expected is the prerequisite of omission 不作为是行为人在一定的心理态度的支配下以自身一定的身体活动的缺失的方式通过一定的外在客观条件作用于外界引起客观世界发生变化的有社会重要意义的过程。
Mems characterized by microform dimension and micromanipulation scope , along with the development of micro technology , becomes a high & new - technology for exploring and rebuilding the world from microstructure 随着微技术( microtechnology )的不断发展，以形状尺寸微小、操作尺寸极小为特征的微机械已经成为人们从微观角度认识和改造客观世界的一种高新技术。
The young should be good at innovating , be adept in practicing , be willing to transfer our knowledge into remolding activity of objective and subjective world , and the young must gain the truth and improve ability by practicing . 青年要善于创新，善于实践，善于把所学的知识运用到改造客观世界和主观世界的活动中去，在实践中继续求得真知，增长才干。 ”
Ontology originated in philosophy . aristotle defined " ontology " as science about " being " in the world . since 1990s , ontology has been introduced in artificial intelligence , knowledge engineering and library & information sciences 本体( ontology )的概念起源于哲学领域，古希腊哲学家亚里士多德将本体定义为研究“存在”的科学，即研究整个客观世界基本特征的科学。
In fact , it is a process of practice - cognition - practice and a process of the subject and the object coming into the unity gradually ; at the same time , it is a process of remaking both the objective world and the subjective world 实际上，这一过程就是实践一认识一再实践的过程，是逐步走向主客体统一的过程：同是，对每个个体来说它又是一个改造客观世界又改造主观世界的过程。
To advance scientific research and technological progress , it is necessary to deepen our understanding of the objective world and to scientifically utilize , transform and protect nature so as to create better working and living conditions for mankind 发展科学研究，推动技术进步，就是要加深对客观世界的认识，就是要科学地利用、改造和保护自然，为人类的生产和生活创造更加良好的条件。
With the development of science technology , micro - machine characterized as mini shape and dimension , mini operation measure became a new high technology for people to recognize and change object world from a micro - view 随着科学技术的发展，以形状尺寸微小、操作尺度极小为特征的微机械已成为人们从微观角度认识和改造客观世界的一种高新技术，微机械技术还有望成为研究纳米技术的重要手段。
" math is called science of thought " , and its own specil characteristics contrasting with other subjects . from some angles , man ' s thoughts of math is the same to the way that man gets to know the world , and it is also the most extensively practical “数学是思维的科学” ，与其它学科中的思维相比，数学思维具有特殊性，从某种角度说，人的数学思维就是人类认识客观世界的思维方式，这是数学最广泛的实用性。
