P. r. n.

P. r. n.的基本解释

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[医] 需要时, 必要时

与P. r. n.相关的网络例句 [注：此内容来源于网络，仅供参考]

This paper investigates the absolute convergence of the Fourier Laplace series concerning of some smooth functions defined on the unit sphere in R n,hereinto shows that:if f is 2([n4]+1) th continuously differentiable function on H r P,then the series ∑∞k=0Y kf converges uniformly to f.

讨论了n 维球面上某些可微函数类的Fourier Laplace级数的绝对收敛性，其中指出：设f是Hrp上 2 ( [n4 ]+1)次连续可微函数，则级数∑∞k =0 Ykf一致收敛到f参

The results showed that net photosynthetic rate P(subscript n, transpiration rate T(subscript r, stomatal conductance G(subscript s, intracellular concentration of CO2 C(subscript i, water use efficiency of cultivars and the light saturation point in leaves of 5 cultivars were different and had obvious differences, and the light compensation point was similar. Diurnal change of net photosynthetic rate among cultivars were different, three cultivars showed twin-peaked curve with an obvious midday-depress, others showed single peak curves.

结果表明：不同品种的净光合速率P(下标 n、蒸腾速率T(下标 r、气孔导度G(下标 s、胞间CO2浓度C(下标 i、水分利用率和光饱和点之间的差异明显，各品种的光补偿点均较低；净光合速率的日变化也存在明显的品种间差异，有3个品种呈&中午降低型&的双峰曲线，2个品种呈单峰曲线。

The conventional automatic selector lever in the centre console is replaced by a lever on the steering column, which the driver nudges to select the transmission settings "","N","R" and "D".

中心控制台的传统自动的选择者杠杆被在掌舵专栏上的一个杠杆代替，选择传输设定& P&，& N&，& R&和& D&哪一驾驶员用肘轻推。

与P. r. n.相关的网络解释 [注：此内容来源于网络，仅供参考]

M P R：菜单程序

菜单库文件的备注文件 . M N T | 菜单程序 . M P R | 编译后的菜单程序 . M P X

p.r.n.;prnPro re nata：必要时

Pro rect.Pro recto用于直肠(肛内用) | p.r.n.;prnPro re nata必要时 | Pro ureth.Pro urethra用于尿道

p.r.n. pro re nata when required：需要时

p.o. per os 经口 | p.r.n. pro re nata when required 需要时 | pulv. pulvis powder 粉末