Objective To compare the combination of ordinary toothbrush and oral irrigator simply ordinary toothbrush with two kinds of brush manner the effect of periodontal maintenance.

目的 比較用普通牙刷結合口腔沖洗器與單純用普通牙刷2種刷牙方式的牙周維護效果伊人久久大香线蕉综合AV。

Oral irrigator periodontal treatment of the elderly to maintain the effectiveness of clinical observation Abstract: Objective To compare the combination of ordinary toothbrush and oral irrigator simply ordinary toothbrush with two kinds of brush manner the effect of periodontal maintenance.

口腔沖洗器維護老年人牙周病治療效果的臨床觀察摘要：目的比較用普通牙刷結合口腔沖洗器與單純用普通牙刷2種刷牙方式的牙周維護效果嫩草久久久久久久精品99。

Based on the precessors′achievements, this thesis did a daring and beneficial exploration from geological model and log response of ordinary log curve, that is new research thought in the view of wavelet tranform skill, rock volume physical mathemal model and ordinary log neural network nonlinear inverse filter skill to improve log curve resolution in thin beds.

本文在借鑒前人研究成果的基礎上，作了大膽有益的探索亚洲视频黄色，針對裂縫性碳酸鹽巖剖面的地質模型和測井響應特點黄色视频直接进，提出并建立了一套改善常規(guī)測井曲線縱向分辨率的新方法。

The aspects that make her novels unprecedentedly "Downy" felt are as follows: her preference for the town histories, her accurate description of the mental experience of the ordinary people in transformative period, her writing at ordinary people's angle,and her amazing abilities of observation and mastership about the common life. From these, she discovers the real life.

她的小說對市井故事的偏愛免费三级视频网站，對社會轉型期大眾心理的細微精確的把握亚洲人成A片在线观看尤物，寫作時采取的平民視角，以及對生活點滴的驚人的觀察與把握能力欧美综合色婷婷欧美综合五月，使她的小說有一種前所未有的"毛茸茸"的質感免费无码黄视瓶，展現(xiàn)了生活混沌的本相。

Basing on this, this article deeply analyzes the relations between implication and the connective "If, then" used in ordinary logical thinking, and points out that material implication is scientific abstract generation to the ordinary language "If, then". Their sameness lies in: when a conditionals protasis is true and its consequent is false, material implication equation is false.

在此基礎上国产一级激情免费视频，論文深入地分析了蘊涵與人們極易混淆的日常邏輯思維中的"如果亚洲R在线，則"的關系，指出實質蘊涵作為數(shù)理邏輯中對日常語言"如果一级无遮挡真人毛片A片，則"的科學抽象地概括97超碰免费，二者的相同點在于：當前件真后件假時，充分條件假言判斷為假国产操av，實質蘊涵式也為假欧美老妓女视频。

Basing on this, this article deeply analyzes the relations between implication and the connective "If, then" used in ordinary logical thinking, and points out that material implication is scientific abstract generation to the ordinary language "If, then". Their sameness lies in: when a conditional's protasis is true and its consequent is false, material implication equation is false.

在此基礎上，論文深入地分析了蘊涵與人們極易混淆的日常邏輯思維中的"如果丝袜AV观看一区，則"的關系全国亚洲最大的黄色网站，指出實質蘊涵作為數(shù)理邏輯中對日常語言"如果，則"的科學抽象地概括偷拍视频无码，二者的相同點在于：當前件真后件假時国产WWWWW免费在线观看，充分條件假言判斷為假，實質蘊涵式也為假欧美一级视频网站免费在线观看。

I still have days of ordinary people, to ordinary people's happiness, at least, the evening Shui Dezhuo McGREGOR.

我還是過普通人的日子色天堂视频在线，要普通人的快樂，至少久久精彩视频7，晚上睡得著覺欧美激情视频二三区。

No ordinary misfortune , no ordinary misgovernment , will do so much to make a nation wretched as the constant progress of physical knowledge and the constant effort of every man to better himself will do to make a nation prosperous .

不幸的事件黄片aaav免费，政府的失誤，可能將一個國家置于悲慘的境地亚洲涩图欧美，但與之相比色欲天天婬色婬香综，科技的持續(xù)進步，人們改善自身生活的恒久努力97社区精品视频在线观看，卻能在更大程度上促進國家的繁榮黄色成人网站在线观看。

At the beginning of the famous third chapter of his History of England, Macaulay pointed out that: No ordinary misfortune, no ordinary misgovernment, will do so much to make a nation wretched as the constant progress of physical knowledge and the constant effort of every man to better himself will do to make a nation prosperous.

托馬 斯麥考利在《英格蘭史》的第三章開門見山這么寫道：不幸的事件，政府的失誤欧美性爱频道，可能將一個國家置于悲慘的境地国产精品区最新视频，但與之相比，科技的持續(xù)進步久久久久九九99黄色三级片，人們改善自身生活的恒久努力网址在线观看国产日韩视频，卻能在更大程度上促進國家的繁榮。

No ordinary misfortune, no ordinary misgovernment, will do so much to make a nation wretched as the constant progress of physical knowledge and the constant effort of every man to better himself will do to make a nation prosperous.

正如物理知識的不斷進步和個人改善自身條件的持久努力將會給一個民族帶來繁榮一樣国产三级国产精品，會給一個民族帶來如此不幸的也并非是一般的惡政和災難不要快播的黄色网站。