性能较弱，如果高于三千元不则建议购买，展示出来是为了方便查阅旧机型的性能。 The technical storage or accessibility is strictly needed for the legit purpose of enabling the use of a particular service explicitly requested via the subscriber or person, or for the only real purpose of carrying out the transmission of a communication above an electronic communications network. Functional C... https://nathanlabsadvisory.com/why-iso-17025-certification-in-uae-is-essential-for-your-laboratory/