Gasoline is produced and sold according to the brand name, and the specifications of the brand are regulated by national gasoline product standards and are related to different standards. At present, there are 3 gasoline license plates in China (IV), which are 90, 93 and 97 respectively. The state (V) is 89, 92 and 95 respectively (98 in the appendix). The number of gasoline is divided by octane number. For example, gasoline on 97 refers to a gasoline fuel equivalent to 97 percent of isooctane and 3 percent of n-heptane resistance. The larger the label, the better the anti-knock performance. Depending on the engine compression ratio, you should choose the different brand of gasoline, which will be indicated on the manual of each vehicle. A mid-range sedan with a compression ratio of 8.5-9.5 should generally use the 90 (country IV) gasoline, and the car with a compression ratio of 9.5 should use the gasoline of 93 (country IV). International online report (guo hao, China Radio International) : when it comes to South American wine, the first thing that comes to mind is the export of wine from Chile to Argentina. But in recent years, wine from the mountains of south Rio grande, southern Brazil, has been rising to prominence in the international wine market because of its crisp taste and high "cost performance". And China, a big consumer of wine, is a "key target" for Brazilian vintners. In the past year, Brazil has exported nearly 200,000 bottles of wine to China, and some Brazilian wineries have set up shop in China and even opened online stores. Brazilian red wine is quietly entering the Chinese people's table. The difference between financial capital preservation and physical capital preservation Mr Draghi said the positive news about eurozone growth meant that the bank's council was "increasingly confident" that inflation would strengthen over the long term and become "self-sustaining". But he added that the current policy needed to be maintained to "maintain inflation", reaching the ECB's target of close to 2 percentage points. Hybrid car Accounting earnings include only realized gains, and exclude unrealized gains and losses, the economic benefits will be enterprise's operating earnings and are favorable to the same treatment, regardless of whether they have been implemented. Thus, in general, accounting gains are less than economic gains, and the difference is mainly in the interest.