最難AP科目大盤點(diǎn)！
不同AP科目之間的難度差異可不小，“地獄級難度”的AP科目是哪些呢？它們究竟難在哪里呢？就讓我們一起看看吧！ 在38門科目中，AP生物、AP英語文...
Edexcel A Level Further Maths: Core Pure:復(fù)習(xí)筆記2.2.3 Invariant Points & Lines
Invariant Points What is an invariant point? When applying transformations to a shape or collection of points, there may be some points that stay in their original position; these are known as?inva...
Edexcel A Level Further Maths: Core Pure:復(fù)習(xí)筆記2.2.2 Geometric Transformations with Matrices
2D Transformations What is meant by a 2D geometric transformation? The following transformations can be represented (in 2D) using?multiplication?of a?2x2?matrix rotations (about the origin) reflect...
Edexcel A Level Further Maths: Core Pure:復(fù)習(xí)筆記2.2.1 Transformations using a Matrix
Transformations using a Matrix What is a transformation matrix? A transformation matrix is used to determine the coordinates of an?image?from the?transformation?of an?object reflections, rotations,...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.8.6 The Heart
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.8.6 The Heart Structure & Function of the Heart The heart organ is a?double pump Oxygenated blood?from the lungs enters the?left?side of ...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.8.5 Human Transport Systems: White Blood Cells & Immunity
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.8.5 Human Transport Systems: White Blood Cells & Immunity White Blood Cells White blood cells are part of the body’s?immune system These ...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.8.4 Human Transport Systems: Red Blood Cells & Plasma
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.8.4 Human Transport Systems: Red Blood Cells & Plasma Red Blood Cells Red blood cells are?specialised cells?which carry?oxygen to respiri...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.8.3 Human Transport Systems: Blood
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.8.3 Human Transport Systems: Blood Components of the Blood: An Overview Blood consists of?red blood cells, white blood cells, platelets?and?p...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.8.2 Transport Systems in Flowering Plants
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.8.2 Transport Systems in Flowering Plants Xylem The?roots,?stem?and?leaves?form a plant organ system for the transport of substances around t...
