⑸ Flotation center of a ship

二、Please translate the following sentences into English.（25 分） 負責航行當值之甲級海員應在駕駛台保持當值，且不論船長是否在駕駛 台，應持續負責船舶安全航行，若船長特別告知已承擔航行職責，方得 離開駕駛台。當值船副並應每隔適當時間使用船上任何可用之航儀，對 所操縱之航向、船位以及航速予以核對，以確保本船依循預定航線航 行。此外，當值船副需對於船上所有安全及航行設備之位置及操作方法 具備充分之知識，並應了解這些設備操作上之限制。

三、Please translate the following sentences into Chinese.（25 分）  According to the principles based on International Convention for the Safety of Life at Sea (SOLAS) Chapter II-2, the requirements for the fixed CO2 fire extinguishing system in the engine room and cargo spaces are as follows. ● The fixed fire extinguishing room is properly marked and in satisfactory condition and readily accessible, and the ventilation is satisfactory. ● The operating instructions of the fixed extinguishing system in an appropriate language are permanently posted. ● The gas cylinders are complete, properly stowed and absence of corrosion. ● The maintenance and service records, including the last service and the next due pressure test, shall be available and readily to be examined. ● The pipelines shall be in satisfactory order and have no heavy corrosion. ● The audible alarm, including the time delay for the gas release, should be tested at a regular interval. 

四、According to IMO, an e-navigation concept can be defined as「the harmonized collection, integration, exchange, presentation and analysis of maritime information on board and ashore by electronic means to enhance berth to berth navigation and related services, for safety and security at sea and protection of the marine environment」. Global Maritime Distress and Safety System (GMDSS) plays an important part in the ship/ shore communication. Please discuss the role of GMDSS in e-navigation and give your opinions in English.（25 分）

一、英譯中：請將下面這段英文譯成正確、流暢的中文。（30 分） Internet vigilantism describes online actions that are oriented toward monitoring the actions of others. It refers to individuals or groups that take grassroots action, rather than work through regional or national justice systems. Many commend the work of online vigilantes, saying that such actions are the most effective way to exact social justice and to impeach perpetrators of questionable behavior. However, while the free flow of information online has opened up the possibility of free speech, it also has a dark side. The Internet has obviously amplified the potency of gossip and public shaming. The actions of the vigilantes are probably a result of noble intentions, and support from the public serves to endorse and fuel their vigilantism further. But let’s remember： vigilantism often disregards serious investigation, due process and accountability.

二、中譯英：請將下面這段中文譯成正確、流暢的英文。（30 分） 行動圖書館是一種用來作為圖書館的交通工具。在全世界，許多行動圖 書館從一處移動到下一處，超越了傳統圖書館的極限，將書籍運送到可 能的讀者手中，讓一些住在原本資源不足地區的人（如偏遠地區）都可 以得到圖書館的服務。除了汽車，行動圖書館還可以倚賴其他不同的運 輸工具，包括腳踏車、船、火車，還有大象、駱駝、馬和騾子等等。在 哥倫比亞，一位老師在一九九七年開始他的行動圖書館，將書送到學生 手中。起初，人們都說他瘋了，見到他出現時會取笑說：「馬戲團進城 了。」二十年過去，現在他已經發展出一套驢子圖書館網絡，網羅了二 十位員工，還在家鄉造了一座紅磚水泥圖書館。

三、英文作文：請根據下面的說明寫一篇約 250-300 字的英文作文。 （40 分） “Disadvantaged groups” refer to those who lack economic, political or social opportunities, and are thus in a higher risk of poverty, social exclusion, discrimination or violence in the society than general population. In your opinion, what is the disadvantaged and vulnerable group in Taiwan that is in most urgent need of help and support from our society and nation？Write an essay of 250-300 words to (1) describe this disadvantaged group and the difficulties they face; (2) suggest feasible plans on how our society or nation could act to help these people.

一、迴歸分析通常用來判斷檢測模式與量測數據間的符合性。請說明相關係 數 r 與決定係數 r square (R2)的意義？（25 分）

二、高效液相層析儀（High Performance Liquid Chromatograph, HPLC）是經 常使用的檢驗分析設備之一。分析操作是於進樣系統注入待測樣品後， 樣品會連同移動相通過層析管柱（管柱內填充特定固定相的多孔性微細 顆粒）來達到分離的目的。由於管柱內固定相的顆粒非常微細，移動相 通過管柱產生高壓，因此 HPLC 的進樣系統必需特別設計，使樣品注入 時仍維持在高壓的管路系統中。請說明 HPLC 進樣系統六向閥的設計原 理，並以圖示說明進樣前後與移動相系統連通的情形？（25 分）

三、以沙拉油加速試驗為例，說明評估市售包裝食用油有效日期的方法？ （25 分）

四、利用測定總氮來評估食品中的粗蛋白含量時，會將實驗得到的總氮數值 乘上特定的蛋白質換算係數（例如：乳製品乘以 6.38，大豆乘以 5.71）， 請說明換算係數的訂定依據為何？（25 分）

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