007的介绍（英文版），再线等

Use field 007 to code for the physical characteristics of an item. You can also use 007 to code for the physical characteristics of the parts of an item such as accompanying material. (007 is valid in all formats for this purpose.) OCLC has implemented the following 007 fields: Electronic Resource
Globe
Map
Microform
Motion Picture
Nonprojected Graphic
Projected Graphic
Remote-sensing Image Sound Recording
Tactile Material
Video Recording

Guidelines Use an appropriate 007 field if you are cataloging microforms, motion pictures, nonprojected graphics, projected graphics, videorecordings, etc., that are published separately. In addition, use field 007 for electronic resources, globes, maps, microforms, motion pictures, nonprojected graphics, projected graphics, remote-sensing images, sound recordings, tactile materials and videorecordings that are components of kits.
Nonmicroform reproductions If you are catalogin