iso-octane rating 异辛烷值定额
N a classification of film speed in which a doubling of the ISO number represents a doubling in sensitivity; for example, ISO 400 film requires half the exposure of ISO 200 under the same conditions. The system uses identical numbers to the obsolete ASA rating 感光度 [photog]
Lifting eyebolts to ISO 3266 shall be provided where necessary, and their removal shall not compromise the panel's IP rating.
必需的地方应配备按iso 3266的起重有眼螺栓，并且其拆除不应危急盘的防护等级。
The ISO is a national rating and service organization to which a substantial number of the leading property and casualty insurers subscribe.
保险服务公司是一家全国性费率厘定和为大量的行业领先的财产保险公司服务的机构。
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