24.(1)[解]EH⊥BD,点 H是BD的中点, ∴EH 垂直平分BD, ∴EB=ED . ∵△ABC ,△CDE是等腰直角三角形, ∴∠ACB =∠CBA =45° =∠CDE =∠CED,AB =AC, ∴∠EFG=180°-∠BCA-∠CED=90° ∴GC⊥DE , ∴EF=FD , ∴FC 是线段ED的垂直平分线, ∴EB=BD , ∴EB=BD=DE ,即△EBD是等边三角...
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ac8950f· Jul 16, 2015 History8 Commits css 修复缺少文件的问题 Jul 16, 2015 font-awesome 提交文件 Jul 14, 2015 fonts 提交文件 Jul 14, 2015 img 提交文件 Jul 14, 2015 js 修复缺少文件的问题 Jul 16, 2015 plugins/fullavatareditor 修复缺少文件的问题 Jul 16, 2015 tools/form-builder 提交文件...
Ⅱ.用所给单词的适当形式填空9. He hurt_(hurt) his back yesterday.10. Michael h a d (have) an ac
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此主题的部分內容可能由机器或 AI 翻译。 消除警报 IMiniportStreamAudioEngineNode::GetStreamLinearBufferPosition 方法 IMiniportStreamAudioEngineNode::GetStreamPresentationPosition 方法 IMiniportStreamAudioEngineNode::SetLfxState 方法 IMiniportStreamAudioEngineNode::SetStreamChannelMute 方法 ...
D E 0 G A C 甘 F B (2)如图,连接AC交BD于G. ∵ 边形ABCD是菱形,BD =6, ∴AC⊥BD ,AG=GC,DG =GB =3, ∴在Rt△AGB中, AG=√(AB^2-BG^2)=4 , ∴AC=2AG=8 . ∵S_(BEABCD)=1/2AC⋅BD=AB⋅DH , ∴DH=1/2*6*8*1/5=(24)/5 在Rt△ADH中, sin∠DAH=(DH)/(AD...
If a more reliable third-party power supply is used, use the power signal with a voltage of 240 V AC or less and a current of less than 6 A. Figure 4-65 Cable connections between the backfeed protection card and shunt releases (1) Shunt releases (provided by the customer) (...
(5分) D E 0 G A C H F B (2)连接AC交BD于G. 菱形ABCD.BD =6, ∴AC⊥BD ,AG =GC,DG =GB =3 ∴在Rt△AGB中, AG=√(AB^2-BG^2)=4 ∴AC=2AG=8 ∵S_RABCD=1/2AC⋅BD=AB⋅DH , ∴DH=1/2*6*8*1/5=(24)/5 (6分) 在Rt△ADH中, sin∠DAH=(DH)/(AD)=(DH)...
Acxmanager.h Acxmisc.h Acxpin.h Acxrequest.h Acxstreams.h Acxtargets.h Bthhfpddi.h Dmusicks.h Dmusprop.h Drmk.h Eventdetectoroemadapter.h Hdaudio.h Keyworddetectoroemadapter.h Ksmedia.hPortcls.h 概述 eChannelTargetType 枚举 eEngineFormatType 枚举 ...