positive projection 中文意思是什麼
positive projection
解釋
正面投影- positive : adj 1 確實的，明確的；確定的；無條件的 （opp qualified implied inferential）; 絕對的，無疑問的，...
- projection : n 1 射出，投擲，發射，噴射。2 投射；投影，投影法；（地圖）投影圖製法；【電影】放映。3 凸出；凸出...
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Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly
方法：通過給予大鼠飲用3氯化鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型，主要採用抗fos 、膠質原纖維酸性蛋白（ gfap ）和酪氨酸羥化酶（ th ） （或加壓素? vp ）免疫組織化學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織化學多重染色、細胞培養等實驗方法，系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核（ son ）神經元? ast超微結構的變化、延髓內臟帶（ mvz ）和son及下丘腦室旁核（ pvn ）之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變化。 -
In this paper, it is proved that, given 3 control points a, b and c, if the camera s optical center o lies on one of the three planes perpendicular to the plane abc and going through one of the three altitudes of the triangle abc, and additionally its projection on the plane abc is within the circumscribed circle of the triangle, that is, o is within the so - called danger cylinder, then the corresponding p3p problem - o, abc - must have 4 positive solutions
Pnp perspective - n - point問題是計算機視覺攝影測量學乃至數學中經典而重要的問題之一，所謂pnp問題，就是指如下的物體定位問題：假定攝像機為小孔模型且已標定好，攝取一幅在物體坐標系下坐標已知的n個空間點的圖像，且這n個圖像點的坐標已知，確定這n個空間點在攝像機坐標系下的坐標。 -
The paper discusses the transformation problem between different types of coordinate systems, for example : the coordinate transformation between wgs - 84 coordinate system and beijing 54 coordinate system, the formula for gauss projection positive and negative computation in national stripes and any local projective stripes, and presents an algorithm. combined with some classic shortest path algorithms, this paper presents an efficient method of realize the shortest path algorithm which is based on dijkstra algorithm
84坐標系與北京54坐標系之間的變換，國家投影帶和地方任意投影帶的高斯投影正、反算公式，並給出了具體演算法；在一些經典的最短路徑演算法的基礎上，提出了一種dijkstra最短路徑演算法的高效率實現方法。
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