This paper will mainly use the following three research methods:

This paper will mainly use the following three research methods:, Total:12 items.

The international standard classification for "This paper will mainly use the following three research methods:" includes: .

The Chinese standard classification for "This paper will mainly use the following three research methods:" includes: .

ITU-T - International Telecommunication Union/ITU Telcommunication Sector

ITU-T P.808-2018 Subjective evaluation of speech quality with a crowdsourcing approach (Study Group 12)

DIN EN 15749 E:2021 Draft Document - Fertilizers - Determination of sulfates content using three different methods; German and English version prEN 15749:2021
AWWA WQTC50406 The Use of Biofilm Methods to Evaluate Piloting Studies and the Effect of Design and Operation on Biological Stability
DIN IEC /TS 62153-4-16 E:2016 Draft Document - Metallic Communication cable test methods - Part 4-16: Extension of the frequency range to higher frequencies for transfer impedance and to lower frequencies for screening attenuation measurements using the triaxial set-up (IEC 46/575/...

ITU-R SA.1345 SPANISH-1998 METHODS FOR PREDICTING RADIATION PATTERNS OF LARGE ANTENNAS USED FOR SPACE RESEARCH AND RADIO ASTRONOMY

DIN EN 15749:2010 Fertilizers - Determination of sulfates content using three different methods; German version EN 15749:2009
DIN EN ISO 7864:2016 Sterile hypodermic needles for single use - Requirements and test methods (ISO 7864:2016); German version EN ISO 7864:2016

ETSI TR 102 105-1999 Methods for Testing and Specification (MTS); Methodological Approach to the Use of Object-Orientation within the Standards Making Process; Initial Study (V1.1.1)
ETSI TR 101 941-2001 Access and Terminals (AT); Study of the Implications of Standardization of IP Terminals Utilizing Ethernet, PSTN and ISDN Connection Methods (V1.1.1)

ASTM F2561-20 Standard Practice for Rehabilitation of a Sewer Service Lateral and Its Connection to the Main Using a One Piece Main and Lateral Cured-in-Place Liner
ASTM F2561-17 Standard Practice for Rehabilitation of a Sewer Service Lateral and Its Connection to the Main Using a One Piece Main and Lateral Cured-in-Place Liner

ITU-T P.806 AMD 1-2015 A subjective quality test methodology using multiple rating scales Amendment 1: New Appendix III – ITU-T P.806 test instructions in Chinese Mandarin (Study Group 12)