His theory was refined by going through years of debate and experimentation, and ultimately became the foundation of the research field.
他的理论经过多年的讨论和实验被不断完善，最终成为该研究领域的基石。
他的理論經過多年的討論與實驗而不斷精煉，最終成為該研究領域的基礎。
그의 이론은 수년에 걸친 논의와 실험을 통해 다듬어져 결국 연구 분야의 기반이 되었다.
Lý thuyết của ông đã được tinh chỉnh qua nhiều năm tranh luận và thí nghiệm, và cuối cùng trở thành nền tảng của lĩnh vực nghiên cứu.
Ang kanyang teorya ay pinuhin sa paglipas ng maraming taon ng mga diskusyon at eksperimento, at sa huli ay naging pundasyon ng larangan ng pananaliksik.
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His theory was refined by going through years of debate and experimentation, and ultimately became the foundation of the research field.
His theory was refined by going through years of debate and experimentation, and ultimately became the foundation of the research field.
彼の理論は長年の議論と実験を経ることで洗練され、最終的に研究分野の基盤となった。
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経る
（ canonical ）
（ romanization ）
（ stem ）
（ past ）
（ kyūjitai ）
（ hiragana ）
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（ imperfective stem ）
（ imperfective stem ）
（ imperfective ）
（ continuative stem ）
（ continuative stem ）
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（ stem terminative ）
（ stem terminative ）
（ terminative ）
（ attributive stem ）
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（ attributive ）
（ hypothetical stem ）
（ hypothetical stem ）
（ hypothetical ）
（ imperative literary stem ）
（ colloquial imperative stem ）
（ imperative literary stem ）
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（ imperative literary ）
（ colloquial imperative ）
（ passive ）
（ passive ）
（ passive ）
（ causative ）
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（ causative ）
（ causative ）
（ causative ）
（ causative ）
（ potential ）
（ colloquial potential ）
（ potential ）
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（ potential ）
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（ volitional ）
（ volitional ）
（ volitional ）
（ negative ）
（ negative ）
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（ negative ）
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（ negative ）
（ negative ）
（ negative ）
（ negative ）
（ continuative negative ）
（ continuative negative ）
（ continuative negative ）
（ formal ）
（ formal ）
（ formal ）
（ perfective ）
（ perfective ）
（ perfective ）
（ conjunctive ）
（ conjunctive ）
（ conjunctive ）
（ conditional hypothetical ）
（ conditional hypothetical ）
（ conditional hypothetical ）
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