The authors also studied the continuous self-recording technique by using the ionization method to measure the Radon gas.
并对应用电离法测量逸出气氡的连续自记观测技术进行了预研究试验。
2
Objective. A system for patient self-recording on a computer touch-screen was developed. The validity of this method compared with the use of regular paper-and-pen questionnaires was studied.
Particularly at big labels such as Universal, A&R executives increasingly expect acts to have built a self-sustaining, if modest, business before they offer them a recording contract.