Putanga 1: He rite tonu te rahi o te teitei o te SPB (te tawhiti mai i te papa o roto ki te papa o waho) mo te 150 nm, engari ka rereke tona diameter i te wa o te huringa pūtau, z. Putanga 2: Ko te SPB he rahi te teitei o roto (te papa o waho ki te tawhiti papa pumau) mo te 150 nm, engari ko tona diameter ka rereke i te huringa pūtau, hei tauira. Pātai: He ōrite te tikanga o te rerenga 1 me te rerenga 2? He Ae, he Kore rānei?
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