The Merchant Circle survey is based on a random sample of 8, 456 small business business owners in the United States.
商人圈（Merchant Circle）的调查是基于美国8456名小企业主这一随机样本进行的。
2
The technique of microwave dissolution is being thought highly of by people in the chemical circle for its features such as time saving, less sample usage and complete dissolution.
微波消解技术以其耗时短、样品用量少、消解完全等特点而受到化学界人士的高度重视。
3
Influence of the noise in sample data the on the locating of circle centre is analyzed in detail, and simulated experiments are implemented. Results of exper…