extracellular matrix,ECM (细胞外基质)
The relationship between the embedded clause and its matrix clause is one of a part to the whole.
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通常MMC（metal matrix composite）（）
36 You are creating a report wizard to create a matrix report. The query build, you select the patient_name column from the patient table; the doctor_name from the doctors table; and the doctor_ID, patient_ID and ID columns from the procedure table. In the report wizard you select patient_name as the row value, doctor_ID as the column values and the count as the cell values. You need to add a total for each doctors column. In the wizard report which tab will allow you to create the summary column?（）
matrix (线粒体基质)
matrix的中文含义是（）
打分矩阵（scoring matrix）
超高速识读是Code one区别于PDF417、Data Matrix等二维条码的主要特点。这使它适宜应用于工业自动化生产线管理等领域。
A technician receives a dot matrix printer for repair and the work order states that the printer is only printing one-half of each character. Which of the following should the technician replace？（）
