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Hace 3 días · 沪江问答提供相关信息，包含外语学习交流、外语考试、出国留学等在线学习交流平台，是最专业的免费在线学习交流网站。
Hace 3 días · frequence: 1 n the number of occurrences within a given time period Synonyms: frequency , oftenness Types: show 19 types... hide 19 types... audio , audio frequency an audible acoustic wave frequency radio frequency an electromagnetic wave frequency between audio and infrared infrared , infrared frequency the infrared region of the ...
Hace 3 días · Objectives People living with HIV (PLWH) are common users of complementary and alternative medicine (CAM). The main objective of this study was to study the frequency and patterns of CAM natural products use in a large cohort of PLWH and to identify potential drug–drug interactions (DDIs) and the impact on their antiretroviral treatment (ART) adherence and efficacy. Methods This was a cross ...
Hace 12 horas · A day in and out of court for a Vermont man struggling with substance abuse. Plus, Gov. Phil Scott indicates support for legislation making it easier for towns to impose local option taxes, the state sends staff to help a Windham school district deal with turnover in top administrative positions, two new bills become law, but without the governor’s signature, Vermont receives $6 million in U ...
Hace 4 días · According to the characteristics that the phase difference between the voltage of transmitting side and the current of receiving side is not affected by frequency splitting, the phase difference is controlled at 90°, so that the system can achieve the maximum transmission efficiency under the condition of frequency splitting and resonant frequency shift.
