In this paper, various influencing factors of the crack propagation rate of superalloy are concluded, including external factors and internal factors. 總結了高溫合金的裂紋擴展速率的各種影響因素，包括外部因素和內部因素兩大類(lèi)。
Section Four focuses on the dynamics inside the newsroom, and the direct impact of factors internal and external to media organisations on the selection of human rights stories. 第四部分著(zhù)重在新聞編輯內部里的動(dòng)態(tài)，以及內部因素和外部因素對媒體組織在人權報導內容的選擇上的直接沖擊。
