(三)快遞貨物專區（英文縮寫為 EHU）（6 分）

二、何謂流砂（quick condition）？何謂管湧（piping）？各如何預防此兩現象的發生？（20 分）

三、對同一深度之完全飽和黏土 ， 進行三次的不壓密不排水 ， UU （Unconsolidated-Undrained）三軸試驗，破壞時得到以下結果。試繪應力莫耳圓與破壞包絡線，並計算此黏土之剪力強度參數 Cu 及∅u 各為何？（15 分）

(一)塑膠棧板（4 分）

(二)電子支付（4 分）

(四)全散裝料（或稱全散裝件，英文縮寫為 CKD） （6 分）

(一) When an import declaration has been presented and where the customs authority has reason to doubt the truth or accuracy of the particulars or of documents produced in support of this declaration, the customs authority may ask the importer to provide further explanation, including documents or other evidence, that the declared value represents the total amount actually paid or payable for the imported goods.

(二) Ensuring the enforcement of a national strategic trade control system is a key requirement for all Customs administrations. Strategic hi-tech commodities (or more commonly called strategic goods) comprise weapons of mass destruction, conventional weapons, and the materials, technology and equipment that may be used in their development or production. Many of these commodities have both civil and military applications and are called dual-use goods.

(一)列舉三種距離測量的方法。（6 分）

(二)說明前述所列舉方法之一的距離測量其系統誤差（systematic error） 及偶然誤差（random error）來源。（9 分）

(三)說明如何利用距離觀測量決定未知點位坐標，所舉事例可針對二維或三維定位技術或應用例作說明。（10 分）