常見(jiàn)例句The behavior of individual MHEG objects is determined with the action class. 復(fù)合類的任務(wù)是把所有必須的前述類的對(duì)象組合成一個(gè)表現(xiàn)。According to the object-oriented terminology, an action-object is a message which is sent to a MHEG object. 另外,若一個(gè)單獨(dú)的對(duì)象被包含或引用,每個(gè)復(fù)合對(duì)象就作為一個(gè)包容體。Before a detailed description of the MHEG objects is given, we will briefly examine the individual elements of a presentation using a small scenario. 在給出MHEG對(duì)象的細(xì)節(jié)描述之前,我們將用一個(gè)小場(chǎng)景簡(jiǎn)要說(shuō)明一個(gè)表現(xiàn)的各個(gè)元素。The functionality of a composite object must satisfy some assumptions for the synchronized output through the MHEG engine . 復(fù)合對(duì)象必須滿足一些假設(shè)以便通過(guò)MHEG引擎做同步輸出。The introductory scenario has discussed that the MHEG standard distinguishes two kinds of user interactions: selection and modification. 作為例子的場(chǎng)景已經(jīng)討論了MHEG標(biāo)準(zhǔn)區(qū)分的兩種用戶交互方式:選擇和修改。Some actions cause state changes on MHEG objects which are very important.The reader should recall the above described scenario where after the ending of the graphics display. 對(duì)于聲音而言,也是使用與媒體無(wú)關(guān)的方法,在這種情況下寧可顯示一段短的、描述性的文字或是圖標(biāo)大小的圖像。 返回 MHEG