Raise 增加，进步 raise a loan 告贷 raise a price 加价 raise capital 集资，招募本钱 raise foreign funds 募集外资 raise money 捐献，筹款 Random 随机，偶尔 random event 随机事务 random error 随机误差 random sampling 随机抽样，随机采样 Range 范围，区域 range of price 代价幅度 Ranking 等第，挨次 Rate 比率，率 floating exchange rate 固定汇率 official rate 官方汇率 rate of accumulation 堆集率 rate of depreciation 折旧率 rate of discount 贴现率 rate of growth 增加率 rate of increment 增加率 rate of inflation 通货膨胀率 rate of margin 毛利率 rate of profit 利润率 rate of return 回报率 rate of return on equity 股本收益率 rate of saving 储蓄率 rate of taxation 税率 rate of turnover 周转率 rate of unemployment 掉业率 Rating 评定等第 Ratio 比率 activity ratios 经营比率 capitalization ratios 本钱布局比率 debt to equity ratio 负债股本比率 liquid ratios 变现比率 price earnings ratio 市盈率 profitability ratios 盈利比率 ratio of current assets to fixed assets 活动资产与固定资产比率 ratio of current assets to current liability 活动资产与活动负债比率 ratio of equity（ROE） 股本利润率 ratio of sales（ROS） 发卖利润率 Raw material 原材料 Re-employment 再就业 Real 真实的 real assets 实资产 real capital 实际本钱 real cost 实际本钱 real earnings 实际收益 real growth rate 实际增加率 real property 不动产，房地产 real value of money 货币实际采办力 Real estate 不动产，房地产 real estate account 房地产帐户，不动产帐户 real estate and property 不动产和其它财富 real estate investment 不动产投资 real estate mortgage bond 不动产抵押债券 real estate pool 不动产投资共同基金 real estate tax 房地产税，不动产税 Realizable 可变现的 realizable value 可变现价值 Realization 变现 realization and liquidation 变产清盘 Reallocation 再分派 Reappraisal 从头评估 reappraisal surplus 重估价红利 Reasonable 公道的 reasonable price 公道代价 Rebate 回扣，退税 Recapitalization （企业重组）调剂本钱布局 Receipt 收据 Receivable 应收的 receivable account 应收帐款 receivables turnover 应收帐款周转率 Recession 经济阑珊 Reciprocal 互惠的，彼此的 reciprocal agreement 互惠和谈 reciprocal contract 互惠合同 reciprocal duties 互惠关税 reciprocal holdings 彼此控股 reciprocal trade 互惠贸易Recomputation 从头计较 Record 记录 Recourse 追索权 Recover 索回，弥补 Recoverable 可收回的 recoverable cost 可收回本钱 recoverable debt 可收回债务 recoverable loss 可收回损掉 Recovery 收回，恢复 Recruitment 雇用 Red balance 赤字节余 Redemption 了偿，赎回
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I have taken notice that in old digital cameras, unique detectors help to concentrate automatically. Those kind of sensors of some digital cameras change in contrast, while others start using a beam with infra-red (IR) light, specifically in low lumination. Higher standards cameras at times use a mix of both techniques and will often have Face Priority AF where the photographic camera can ‘See’ a face while keeping your focus only in that. Many thanks for sharing your ideas on this blog site.