Use of literals instead of variables or parameters is generally discouraged within SQL because it makes each statement unique, which drives down cache hit ratios.
一般情况下，不鼓励在SQL中使用字面值，而是主张使用变量或参数，因为字面值会使每个语句具有独特性，这会降低缓存的命中率。
Researches were carried out on the role of the financial statement in the stock choice by qualitative and quantitative methods from solvent ratios and hedging and proliferating ratios.
利用财务报表中的盈利性比率和保值增值率，结合定性和定量分析方法对财务报表进行了研究。
Researches were carried out on the role of the financial statement in the stock choice by qualitative and quantitative methods from solvent ratios and hedging and proliferating ratios.
利用财务报表中的盈利性比率和保值增值率，结合定性和定量分析方法对财务报表进行了研究。
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