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"Literature and Art of the Qing Dynasty" PPT courseware of the Ming and Qing Dynasties
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Amidst the Qingming Festival theme class meeting PPT template
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"Photos" PPT courseware
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Red festive New Year theme PPT background picture free download
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Two atmospheric party and government party building work report PPT background pictures
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11 colorful and beautiful watercolor PPT background pictures packaged and downloaded
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Financial management industry PPT background picture with little golden pig background
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2019-02-19 07:00:00
Dynamic sea bright moon classical Chinese style PPT background picture
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Pink crystal style diffusion relationship slide chart download
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2019-03-21 06:00:00
Gantt chart slide template download in pink crystal style
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Green grass white card background fresh work plan PPT template
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2019-02-07 21:00:00
Fresh leaf background work summary report slide template
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"Three-dimensional Figures and Plane Figures" Preliminary PPT Courseware for Graphic Understanding
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Five exquisite Chinese watch ribbon party and government theme PPT background pictures
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Blue scattered lines PPT background picture with a sense of space
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Three exquisite new Chinese style mountains and ancient buildings PPT background pictures
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Business slide template with lines and world map background
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Simple enterprise picture album picture display company introduction PPT template
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Five blue and elegant watercolor art hand-painted PPT background pictures
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Cartoon PPT border background picture decorated by cute children
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Green technology style point line polygon PPT background picture
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Children's Day PPT background image with colorful graffiti background
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Chinese wind PPT background picture of ink bamboo garden background
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2019-02-01 07:00:00
Color polka dot art fashion PPT background picture free download
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Business white-collar PPT background picture pressing the laptop keyboard
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Slideshow flowchart template with beautiful traffic barricade background
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Green Gantt chart
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Four atmospheric party and government PPT background pictures with stone lion background
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Red fireworks golden city festival celebration PPT background picture
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Two elegant lake and mountain natural scenery PPT background pictures
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Black and white European and American picture layout design PPT template free download
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Seven classical nostalgic style PPT background pictures free download
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Gray dynamic European and American architectural picture background business PPT template
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Three colored pencils file office supplies PPT background picture
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Three exquisite autumn leaves PPT background pictures free download
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Financial management PPT background picture of modern city background
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Grass and green vine background PPT courseware background picture
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Blue-gray wrench tool background PPT background picture download
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Tree juxtaposition relationship slide chart template download
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"Periodic Law of Elements and Periodic Table of Elements" Atomic Structure Periodic Law of Elements PPT (Lesson 1 Periodic Law of Elements)
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"From the establishment of the Ming Dynasty to the entry of the Qing army" PPT courseware on the establishment of China's territory in the Ming and Qing Dynasties and the challenges faced
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"Alloy" metal material PPT
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World map China map China provinces map PPT collection
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"Literature and Art of the Qing Dynasty" PPT courseware of the Ming and Qing Dynasties
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Amidst the Qingming Festival theme class meeting PPT template
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Mid-Autumn Festival PPT background image download with elegant yellow background
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