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Snell & Wilcox SW2 and SW4 "Zone Plate" Test Chart (also referred to as Snell & Wilcox Test Pattern) were TV test cards introduced in the 1990s and used with NTSC, PAL and SDTV systems. [1] Popular versions of the test charts were made available on Laserdisc and DVD-Video, allowing home users and professionals to test and calibrate their equipment.
For the exam, the results of each subject are divided into "精熟" (grade A) and "基礎" (grade B) and "待加強" (grade C). Grade A means that the student is able to master the course in junior high school; Grade B means that the student has the basic ability of the subject; Grade C means that the student's ability in the subject is lagging ...
The Indian-head test pattern is a test card that gained widespread adoption during the black-and-white television broadcasting era as an aid in the calibration of television equipment. It features a drawing of a Native American wearing a headdress surrounded by numerous graphic elements designed to test different aspects of broadcast display.
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A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens.
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The Examination Yuan is the civil service commission branch in charge of validating the qualification of civil servants of the government of the Republic of China ().It has a president, a vice president, and seven to nine members, all of whom are nominated by the president of the republic and confirmed by the Legislative Yuan for four-year terms according to Republic of China laws.