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A What’s On? Print Your Voice We all know what our voice sounds like but what does it look like? How can the science of our voice be turned into art? Join us at the Print Your Voice workshop where your voice will be turned into personalized jewellery. Step into a special room to explore the soundwaves of your voice and create an individualized recording, saying whatever you like. Each visitor will then turn a blank silver pendant ( 饰坠 ) into a unique piece of art with the soundwaves of your recording. Suitable for ages 15+. Date: Sunday 13 August, 10:00 am-1:00 pm & 2:00 pm-5:00 pm. Address: Powerhouse Museum, Harris Street, Ultimo Tickets: Adults: $50, Teens (ages 15-17): $45 Tel: 92170222 Making Your Future Discover Western Sydney University’s Maker Space and work through a 3D project in this hands-on workshop. See how 3D printing works and create your future just with the technology! Suitable for ages 16 and over. Date: Thursday 17 August, 2:30 pm-6:00 pm. Address: Maker Space, Building Z, Western Sydney University Tickets: Free with booking Tel: 47360389 Learn to Code ( 编码 ) with Robotics Robots have become our close friends. In this workshop you’ll learn to write computer programs with them as you mix playing with learning. You will have the opportunity to use their creative minds to program basic robotic behaviors. Suitable for ages 13 and over. Date: Saturday 19 August, 10:00 am-1:00 pm. Address: Canva Offices, 2 Lacey St, Surry Hills Tickets: $15 Tel: 21791713 Science of Cake Join scientist Subha Nasir Ahmad in a chat about some of the science of baking and see a cake-decorating show using techniques drawn from science. Pick up tips and tricks to improve your baking game as you observe an expert in action make a Sunny Bakehouse Cake. Suitable for ages 16+. Date: Saturday 19 August, 9:00 am-12:00 pm. Address: Thrive 360, 706/2 Huntley St, Alexandria Tickets: $50 Tel: 33892391
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【单选题】关于消化道平滑肌基本电节律,下列描述错误的是
A.
是节律性去极化波
B.
又称慢波电位
C.
其产生不依赖于神经的存在
D.
节律不受神经和激素的影响
E.
波动范围在5~15mV之间
【多选题】以下属于聚类算法的是( )
A.
K-Means
B.
DBSCAN
C.
Apriori
D.
K-Medoids
【简答题】人口增长率正在以每年1.4%的速度下降。(decrease)
【多选题】以下属于聚类算法的是 ( )
A.
K 均值
B.
DBSCAN
C.
Apriori
D.
knn
【单选题】关于消化道平滑肌基本电节律的错误描述是()
A.
在消化道各段平滑肌的发生频率一致
B.
平滑肌细胞存在机械阈和电阈两个膜电位值
C.
慢波起源于Cajal间质细胞
D.
在胃肠道安静状态下可记录到
【简答题】关于基本电节律的描述错误的是A. 是自发地周期性除极形成 B. 起源于纵行肌和环行肌之间的细胞 C. 它的产生不依赖于神经的存在  D.它的节律不受神经和激素的影响 D. 它不能引起肌肉收缩
【单选题】以下属于聚类算法的是( )。
A.
ARIMA
B.
朴素贝叶斯
C.
支持向量机
D.
K-MEANS
【多选题】以下属于聚类算法的是 ( )
A.
K 均值
B.
DBSCAN
C.
Apriori
D.
k-medoids
【多选题】市场的吸引力分析一般包括()五种力量。
A.
现实的竞争者和潜在的竞争者
B.
替代产品的威胁
C.
互补品的威胁
D.
购买者讨价还加能力和供应者讨价还加能力
【单选题】关于基本电节律的描述,错误的是( )
A.
与生电性钠泵的周期性活动有关
B.
去除神经体液因素后不能产生
C.
是平滑肌收缩的控制波
D.
它本身不能触发平滑肌收缩
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