To optimize the teaching patterns of senior english - reading by means of structure sketches 利用結(jié)構(gòu)圖表優(yōu)化高中英語閱讀課教學(xué)模式
In the first day cover , an elevated structure sketched in subdued colours is standing on wooden stakes over the water with fishing boats in the foreground 首日封背景用色淺淡,一派水鄉(xiāng)畫意。隱現(xiàn)浮家泛宅,前有小舟輕棹,漁村風(fēng)貌躍然紙上。
Coil tightly the stainless steel radiator wing around the electric heating pipe to enlarge the radiating area of the heating tube surface and the heater radiates more quickly , have higher heat use rate and the power density of the heater will be improved . structure sketch 分體機(jī)用翅片加熱器,是電加熱管上緊密繞制不銹鋼散熱翅片,它增大了加熱器表面的散熱面積,使加熱器散熱更快,熱利用率更高。
2 . the splitting method , enclosed planetary transmission sketch method and structure sketch method are used to deduce the transmission ratio formulas on several structures of the single - stage and double - stage spatial - cycloid - ball gearing respectively . further more , the simplified calculating formulas on one - tooth - difference and two - tooth - difference spatial - cycloid - ball gearing are given 2 、分別運(yùn)用拆分法,封閉行星機(jī)構(gòu)的傳動簡圖和結(jié)構(gòu)簡圖推導(dǎo)出單級和雙級的多種結(jié)構(gòu)的傳動比公式,并給出一齒差、二齒差球面擺線鋼球傳動機(jī)構(gòu)減速比的簡化計(jì)算公式。