頁籤選單縮合
題 名 | 日本南洋原木進口之季節變動=Seasonal Variation of Southsea Logs Imports by Japan |
---|---|
作 者 | 任憶安; | 書刊名 | 林產工業 |
卷 期 | 10:2 1991.06[民80.06] |
頁 次 | 頁83-88 |
分類號 | 436.47 |
關鍵詞 | 日本; 南洋; 原木; 進口; |
語 文 | 中文(Chinese) |
中文摘要 | 從1973年至1990年,日本南洋原木進口量加以分析,發現日本南洋原木進口量有明顯的季節變動。由第一季到第二季有88%的機率會增加,由第四季到次年第一季有94%的機率會減少,減少率為8%。由第二季到第三季以及由第三季到第四季增減情形較難判斷,分析得知,由第二季到第三季有53%機率會增加,增加率14%,有47%的機率會減少,減少率為11%。由第三季到第四季情形與第二季到第三季者剛相反。有53%機率會減少,減少率11%,有47%機率會增加,增加率13%。此可能與日本房屋建築對木材需求有關。 |
英文摘要 | The quarterly figures of logs imported from Southeast Asian countries by Japan during the period of 1973-1990 was studied. Differences between the current and the next quarters was positive from the first quarter to second quarter and negative from the fourth quarter to the next first quarter with high probability of 88% and 94%, respectively, but were not clear from the second quarter to the third quarter and from the third quarter to the fourth quarter. The explanation could be that the amount of Southsea Log imports reflected the demands of wood products for construction. Regression model for the next quarter imports based on the current quarter imports was successful in all four quarters. |
本系統中英文摘要資訊取自各篇刊載內容。