Recruiting test_Wenzhou Chengjia Stationery Co., Ltd.

Today, when electronic products such as notebook computers and tablet computers are popular, notebooks and notepads exist in our work and study in a unique way and cannot be replaced. We have been in contact with notebooks and notebooks since our school days, but we do not necessarily fully understand the size of notebooks. In this regard, the size of common notebook notepads is summarized to help you choose a suitable size notebook. The conventional size comparison of notebook printing and notepad printing can be roughly divided into two size division methods. One is the usual term, such as A3, A4, A5, A6, A7, B4, B5, B6, etc.; the other is called the open number, such as 16K, 25K, 32K, 64K, etc. The most common daily notepad size, such as A4, is the size of commonly used printing and copying paper, which is also an internationally accepted paper standard. This paper standard comes from Germany, which is 210*297mm; A4 is the standard unit of measurement, A3. The size is twice that of A4, which is 420*297mm; the size of A5 is half of A4, which is 210*148mm; the size of A6 is a quarter of A4, which is 105*148mm; the size of A7 is A4 size One eighth of that, which is 105*74mm. Similarly, B5 is also the size of commonly used printing and copying paper, which is also an international paper standard, which is 176*250mm; with B5 as the base unit of measurement, the size of B4 is twice that of B5, which is 250*353mm; B6 The size is the average of B5, which is 125*176mm. According to the name of the open number, it is the standard of domestic general paper, which can be divided into positive and generous. According to the size of positive full-open paper, 787*1092mm is the size of full-open paper, and the size of 16K is full-open. One-sixteenth of the paper, which is 195*270mm, the size of 25K is one-twentieth of the full-open paper, which is 156*216mm, and so on, the size of 32K is 135*195mm, the size of 64K It is 97*135mm. The above dimensions are calculated according to the original size of the paper. If it is made into a notebook or a notepad, there will be different subtle differences. Due to the different manufacturers, they basically conform to the above-mentioned specifications and the reasons for the gap There are cover size, binding method, inner page paper etc. The sizes of A3 and B4 are relatively large, not easy to carry, and are suitable for sketching and sketching; the sizes of A6, A7, and 64K are relatively small, and they are less used as business notebooks or notepads, and are commonly used by students Notebook, convenient for daily carrying. After reading the above summary, do you finally have a better understanding of the most familiar notebook notebook size and paper specification algorithm?

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