This paper first introduced the pollution situation of nitrogen oxides and their treatment techniques in china now. The merit and demerit of the techniques were briefly expatiated.(介紹了中國氮氧化物的污染現(xiàn)狀和目前實際采用的治理技術(shù)，簡單闡述了這些技術(shù)的利弊。)

On the analysis and city planning administration of color, and find the merit and demerit.(重點分析了國內(nèi)外的城市色彩規(guī)劃管理方式，并找出其優(yōu)缺點。)

What do you think about your merit and demerit? Can you give some example?(你認為你有哪些優(yōu)點、缺點？能不能各舉一些案例說明呢？)

In this paper, the author also gives merit and demerit of each kind of these algorithms.(本文對這些壓縮算法進行比較，給出了每種算法的優(yōu)缺點。)

A method in the improvement of current relay controls winding asynchronous motor starting circuit is put forward, and the merit, demerit of it are described in the paper.(本文提出電流繼電器控制繞線式異步電動機起動電路改進方法，并對改進電路優(yōu)劣進行了分析。)

It possesses the merit of steam drying kiln and dehumidification drying as well as avoids the demerit of no steaming and low temperature of dehumidification drying.(它兼有蒸汽干燥適應(yīng)性廣和除濕干燥節(jié)能的優(yōu)點避免了除濕干燥不能噴蒸、干燥溫度低的缺點。)

This article discusses the influence to the phases of software development which test-driven development causes and the merit and demerit of test-driven development.(探討了測試驅(qū)動開發(fā)方法對于軟件開發(fā)的各個階段的影響，并探討了測試驅(qū)動開發(fā)方法的優(yōu)點及其存在的問題。)

A bending test has a merit that detection of deformation is relatively easy and a demerit that a stress state is not simple as compared with a compression or tension test.(彎曲試驗有著能比較容易地探測變形的優(yōu)點，缺點是應(yīng)力狀態(tài)不象壓縮或拉伸試驗?zāi)菢雍唵巍?

The merit and demerit of virtual endoscopy are pointed out through compared with traditional endoscope, and the perspective of clinical application of virtual endoscopy is expected.(通過與傳統(tǒng)內(nèi)窺鏡進行比較，指出仿真內(nèi)鏡的優(yōu)點和缺點，并展望仿真內(nèi)鏡的應(yīng)用前景。)

What do you think about your merit and demerit?(你認為你有哪些優(yōu)點、缺點？)