(3)作DI∥AB交BC于点I,作IP∥AC交AB于点P,由AB=AC,∠ BAC=2α ,得∠ B=∠ ACB,∠ BPI=∠ BAC=2α ,推导出DI=DC,PB=PI,再证明△ EDI≌△ FDC,得IE=CF=1.5,而AD=3,BE=2.5,当点F与点B在直线AC同侧,则BI=BE+IE=4,可证明PB=PI=AD=3,作PQ⊥ BI于点Q,则BQ=IQ=2,∠ BPQ=9...
B. PH 7. 43, Paco, 30 mmhg, BE 1 mmol/L. C .DH 7. 36, Paco 56.5 mmhg, BE 12 mmol D. PH 7. 46. PACO. 29 mmhg, BE 5 mmol/L E .PH 7.43, Paco, 34 mm Hg, F 21 mmol/L 问题1.符合失代偿性呼吸性酸中毒的选项是【 】 展开...
github.com/markbates/errx v1.1.0 h1:QDFeR+UP95dO12JgW+tgi2UVfo0V8YBHiUIOaeBPiEI= github.com/markbates/errx v1.1.0/go.mod h1:PLa46Oex9KNbVDZhKel8v1OT7hD5JZ2eI7AHhA0wswc= github.com/markbates/oncer v1.0.0 h1:E83IaVAHygyndzPimgUYJjbshhDTALZyXxvk9FOlQRY= github.co...
但是目前在用的主路由BPI-R4，虽然有配套的wifi7无线网卡，但我没选，你不可能指望就一个网卡在稳定性...
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也就在今天,品牌评级权威机构Chnbrand发布了2024年中国品牌力指数SM(C-BPI®)品牌排名榜。九牧龙头/花洒、坐便器、面盆三大品类位列家居用品品牌榜第一,展示出九牧强大的品牌实力! 现在,让我们一起回顾九牧品牌发展历程,感受品牌魅力,见证品牌力量! 1990年 ...
对于大家关注的降解和安全话题,周岿特别表示,聚乳酸已通过了德国DIN可堆肥认证和美国BPI可降解认证,聚乳酸制品废弃物在堆肥条件下(高温58±2℃、高湿98%左右和微生物条件)3~6个月,即可完全分解为二氧化碳和水,是真正的可降解而非伪降解...
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JDSU Acterna DSAM-2600B Digital CATV Meter w CableLabs BPI+3 Home Cert DSAM2600 JDSU Acterna DSAM-3300 xt DOCSIS 3.0 CATV Meter 6MHz Annex B CableLabs DSAM3300 JDSU Acterna DSAM-3300 xt DOCSIS 3.0 CATV Meter 6MHz Annex B CableLabs3 DSAM3300 ...
所以DF=AE=(30-10)/2=10m，又有：DF/CF=AE/BE=i=√3,所以大坝高度DF=AE=10√3m，背水坡AB=CD=√（CF^2+DF^2）=20m.