本题中，上一会计年度甲公司与丁公司的营业额合计超过20亿元人民币，且双方营业额均超过4亿元人民币。
In the case, the previous fiscal year Company Jia and Ding's total revenue is more than 2 billion Yuan, and each of them is more than 400 million Yuan.
结论杏丁注射液对冠心病有明显的治疗作用，且无毒副作用。
Conclusion Xingding Injection has a significant curative effect in treating coronary heart disease, and it produces no atoxic side effect.
尿囊素与几丁糖防粘连作用无明显差异，但尿囊素使用方法更为简单且价格低廉，是一种理想的预防肌腱粘连的药物。
Allantoin and chitosan had no significant difference in adhesion prevention, but the operation method of allantoin was more simple. Allantoin is an ideal low-price drug to prevent tendon adhesion.
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